{"title":"AE92 Parts | 1988–1991 Toyota Corolla","description":"\u003cp\u003eShop \u003cstrong\u003eAE92 parts\u003c\/strong\u003e for the 1988–1991 Toyota Corolla SR5 and GT-S coupe at Preserve Rad. Browse engine seals, gaskets, bearings, brake hardware and selected performance rebuild components, with fitment details on each product page to help you choose the right replacement.\u003c\/p\u003e\n\u003cp\u003eThese front-wheel-drive Corollas require careful matching by year, trim and engine. The SR5 used the \u003cstrong\u003e4A-F\u003c\/strong\u003e in 1988–1989 and the \u003cstrong\u003e4A-FE\u003c\/strong\u003e in 1990–1991, while the GT-S used the 16-valve \u003cstrong\u003e4A-GE\u003c\/strong\u003e. A part listed for one engine is not automatically suitable for the others. Compare the application notes with your car’s installed equipment before ordering, especially after an engine swap. Preserve Rad specializes in parts for classic Toyota vehicles, helping you maintain and rebuild the Toyota you want to keep driving.\u003c\/p\u003e","products":[{"product_id":"arp-toyota-4age-4agze-flywheel-bolt-kit-ae86-aw11-mr2","title":"ARP Toyota Flywheel Bolt Kit | 4A-GE \/ 4A-GZE (1983-87 Corolla \/ 1985-89 MR2) | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eARP 4A-GE \/ 4A-GZE Flywheel Bolt Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin and 1985–1987 U.S.-Market Corolla Sport AE86 (GT-S) with 4A-GE, plus 1985–1989 Toyota MR2 AW11 MK1 with 4A-GE \/ 4A-GZE manual flywheels\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eARP 4A-GE \/ 4A-GZE Flywheel Bolt Kit\u003c\/strong\u003e is a high-strength fastener set for 1983–1987 JDM Toyota Corolla AE86 Trueno \/ Levin, 1985–1987 U.S.-market Corolla Sport GT-S, and 1985–1989 Toyota MR2 AW11 manual-flywheel applications. Factory AE86 fitment is for the \u003cstrong\u003e4A-GE\u003c\/strong\u003e; supported MR2 applications use either the naturally aspirated \u003cstrong\u003e4A-GE\u003c\/strong\u003e or supercharged \u003cstrong\u003e4A-GZE\u003c\/strong\u003e. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eForged from heat-treated 8740 chrome-moly steel, the eight fasteners replace the crankshaft-to-flywheel bolts during clutch service, flywheel replacement, or engine rebuilding. Their low-profile 12-point heads and larger-than-stock shanks provide a strong, precisely registered flywheel connection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete eight-bolt set for Toyota 4AG manual flywheels\u003c\/li\u003e\n\u003cli\u003eForged 8740 chrome-moly steel construction\u003c\/li\u003e\n\u003cli\u003eHeat-treated before thread rolling and final machining\u003c\/li\u003e\n\u003cli\u003eLow-profile 12-point bolt heads\u003c\/li\u003e\n\u003cli\u003eLarger-than-stock shanks for strength and flywheel registration\u003c\/li\u003e\n\u003cli\u003eM10 x 1.25 thread size\u003c\/li\u003e\n\u003cli\u003e1.050-inch underhead length and black oxide finish\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFlywheel Fastener Design\u003c\/h2\u003e\n\u003cp\u003eThe crankshaft-to-flywheel joint experiences repeated engine-speed changes and clutch engagement loads. These fasteners use the Toyota 4AG M10 flywheel mounting configuration with compact heads and enlarged shanks to support reliable flywheel retention and alignment.\u003c\/p\u003e\n\u003cp\u003eFor an AE86 4A-GE flywheel upgrade, the \u003ca href=\"https:\/\/preserverad.com\/products\/fidanza-lightweight-aluminum-flywheel-toyota-ae86-4age\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eAE86 Fidanza Lightweight Aluminum Flywheel\u003c\/strong\u003e\u003c\/a\u003e is an optional, separately sold 200 mm flywheel option. Specialty aftermarket flywheels may have different fastener requirements.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987:\u003c\/strong\u003e Trueno (JDM) \/ 4A-GE \/ Manual Flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987:\u003c\/strong\u003e Levin (JDM) \/ 4A-GE \/ Manual Flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1987:\u003c\/strong\u003e GT-S (U.S.-Market) \/ 4A-GE \/ Manual Flywheel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 — AW11 \/ MK1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989:\u003c\/strong\u003e JDM \/ 4A-GE \/ Manual Flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989:\u003c\/strong\u003e U.S.-Market \/ 4A-GE \/ Manual Flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1989:\u003c\/strong\u003e JDM Supercharged \/ 4A-GZE \/ Manual Flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989:\u003c\/strong\u003e U.S.-Market Supercharged \/ 4A-GZE \/ Manual Flywheel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eManual-transmission 4A-GE flywheel application using the listed eight-bolt mounting configuration. Confirm fitted flywheel and bolt engagement; not for automatic flexplates or SR5 4A-F \/ 4A-FE.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual-transmission flywheels only.\u003c\/strong\u003e Does not replace automatic-transmission flexplate bolts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory AE86 applications require the 4A-GE.\u003c\/strong\u003e The factory 4A-C-powered SR5 flywheel is not covered.\u003c\/li\u003e\n\u003cli\u003eFactory AE86 models were not equipped with the 4A-GZE; suitability for a swapped 4A-GZE engine depends on its fitted manual flywheel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMR2 4A-GZE:\u003c\/strong\u003e JDM Supercharged models began in 1986; U.S.-market Supercharged models began in 1988.\u003c\/li\u003e\n\u003cli\u003eSpecialty aftermarket flywheels can require different bolt specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ARP\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Flywheel Bolt Kit\u003cbr\u003e\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Toyota 4AG\u003cbr\u003e\u003cstrong\u003eEngine Applications:\u003c\/strong\u003e 4A-GE \/ 4A-GZE\u003cbr\u003e\u003cstrong\u003eThread Size:\u003c\/strong\u003e M10 x 1.25\u003cbr\u003e\u003cstrong\u003eUnderhead Length:\u003c\/strong\u003e 1.050 in.\u003cbr\u003e\u003cstrong\u003eHead Style:\u003c\/strong\u003e 12-Point\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 8740 Chrome-Moly Steel\u003cbr\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Oxide\u003cbr\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e 8 Bolts\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Manual Flywheel\u003cbr\u003e\u003cstrong\u003eCountry of Manufacture:\u003c\/strong\u003e USA\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(8)\u003c\/strong\u003e ARP Flywheel Bolts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e(1)\u003c\/strong\u003e Installation Instruction Sheet\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":52997865832757,"sku":"450","price":34.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/1logos_1_-Recovered_b57e4ac1-36d9-4a34-97bc-b69f528e8937.png?v=1790108203"},{"product_id":"hks-fine-tune-high-performance-timing-belt-4age-4agze-16v-ae86-aw11-ae92","title":"HKS Fine Tune High-Performance Timing Belt | Toyota 4A-GE \/ 4A-GZE 16V Applications | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eHKS Fine Tune Timing Belt\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor Toyota 4A-GE \u0026amp; 4A-GZE 16-Valve Engines | AE86, AW11, AE92 \u0026amp; AE101\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHKS Fine Tune Timing Belt\u003c\/strong\u003e is a performance-oriented replacement timing belt for Toyota \u003cstrong\u003e4A-GE and 4A-GZE 16-valve engines\u003c\/strong\u003e using the \u003cstrong\u003e113R19.1 belt size\u003c\/strong\u003e. It is designed for applications including the \u003cstrong\u003eAE86 Corolla Levin and Sprinter Trueno, AE92 Levin and Trueno, AE101 4A-GZE, and MK1 AW11 MR2\u003c\/strong\u003e. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eDeveloped for high-power and high-RPM engine use, the Fine Tune Timing Belt uses application-specific belt strength to help maintain stable tension as engine temperatures change. Its molded-tooth manufacturing process forms the belt teeth without the external compression used in conventional production methods, helping preserve tooth strength and reduce the potential for belt skipping under high engine load.\u003c\/p\u003e\n\u003cp\u003eHigh-strength \u003cstrong\u003eH-NBR tooth rubber\u003c\/strong\u003e provides additional durability for demanding street, track, naturally aspirated, and supercharged 4A applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePerformance timing belt for \u003cstrong\u003eToyota 4A-GE and 4A-GZE 16-valve engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e113R19.1\u003c\/strong\u003e belt size\u003c\/li\u003e\n\u003cli\u003eApplication-specific belt strength for high-power and high-RPM operation\u003c\/li\u003e\n\u003cli\u003eDesigned to maintain stable belt tension as engine temperature changes\u003c\/li\u003e\n\u003cli\u003eMolded-tooth construction helps preserve tooth strength\u003c\/li\u003e\n\u003cli\u003eHelps reduce belt skipping under high engine load\u003c\/li\u003e\n\u003cli\u003eHigh-strength \u003cstrong\u003eH-NBR tooth rubber\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for naturally aspirated and supercharged 4A applications\u003c\/li\u003e\n\u003cli\u003eDesigned to pair well with adjustable cam gears and HKS Slide Cam Pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eH-NBR \u0026amp; Molded-Tooth Construction\u003c\/h2\u003e\n\u003cp\u003eConventional timing-belt manufacturing can form the teeth by applying pressure from the outside of the belt, placing additional stress on the tooth structure during production. The HKS Fine Tune Timing Belt instead uses a mold shaped around the finished tooth profile, allowing the teeth to be formed while preserving more of their structural strength.\u003c\/p\u003e\n\u003cp\u003eThe tooth section uses \u003cstrong\u003eH-NBR rubber\u003c\/strong\u003e for additional strength, while the belt itself is tuned for the intended engine application to provide stable operation during thermal expansion and demanding high-RPM use.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Sprinter Trueno\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Trueno (JDM) – \u003cstrong\u003e4A-GE 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1987–1991 Toyota Sprinter Trueno – \u003cstrong\u003eAE92 – 4A-GE \/ 4A-GZE 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1991–1995 Toyota Sprinter Trueno – \u003cstrong\u003e7th Gen – AE101 – 4A-GZE 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota Corolla Levin\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Levin (JDM) – \u003cstrong\u003e4A-GE 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1987–1991 Toyota Corolla Levin – \u003cstrong\u003eAE92 – 4A-GE \/ 4A-GZE 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1991–1995 Toyota Corolla Levin – \u003cstrong\u003e7th Gen – AE101 – 4A-GZE 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota MR2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1984–1986 Toyota MR2 – \u003cstrong\u003eMK1 – AW11 – 4A-GE 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1986–1989 Toyota MR2 – \u003cstrong\u003eMK1 – AW11 – 4A-GZE 16V Supercharged\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor the original 4A-GE 16-valve timing system using the listed 113R19.1 belt; not for SR5 4A-F \/ 4A-FE or 20-valve conversions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFor 4A-GE and 4A-GZE 16-valve applications using the 113R19.1 timing belt\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit 20-valve 4A-GE applications that use a different timing belt size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAW11 4A-GE application covers approximately \u003cstrong\u003e1984–1986\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAW11 4A-GZE application covers approximately \u003cstrong\u003e1986–1989\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVerify the installed engine configuration before ordering, particularly on swapped or modified vehicles\u003c\/li\u003e\n\u003cli\u003eProfessional installation and proper Toyota timing procedures are recommended\u003c\/li\u003e\n\u003cli\u003eFor engines using adjustable cam timing, pair with the matching \u003ca class=\"decorated-link\" rel=\"noopener\" target=\"_blank\" href=\"https:\/\/preserverad.com\/products\/hks-adjustable-cam-gear-slide-cam-pulley?variant=53237916205365\"\u003eHKS Slide Adjustable Cam Gears\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e HKS\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Fine Tune\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Timing Belt\u003cbr\u003e\u003cstrong\u003eEngine Application:\u003c\/strong\u003e Toyota 4A-GE \/ 4A-GZE 16-Valve\u003cbr\u003e\u003cstrong\u003eBelt Size:\u003c\/strong\u003e 113R19.1\u003cbr\u003e\u003cstrong\u003eTooth Material:\u003c\/strong\u003e High-Strength H-NBR Rubber\u003cbr\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e Molded-Tooth Performance Timing Belt\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Naturally Aspirated \u0026amp; Supercharged\u003cbr\u003e\u003cstrong\u003eFit Type:\u003c\/strong\u003e Vehicle-Specific Replacement\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e(1) HKS Fine Tune Timing Belt\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":53237847163189,"sku":"540","price":198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ChatGPTImageJul31_2026_01_24_31PM_37dbe230-e011-45d8-b834-b26f72930fd3.png?v=1790366966"},{"product_id":"hks-adjustable-cam-gear-slide-cam-pulley","title":"HKS Adjustable Cam Gear (Slide Cam Pulley) | 4A-GE \/ 4A-GZE (1983-87 Corolla \/ 1984-89 MR2 \/ 1987-91 Corolla) | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eHKS Adjustable Slide Cam Pulley\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Corolla AE86 4A-GE, 1984–1989 MR2 AW11 4A-GE \/ 4A-GZE, and 1987–1991 Corolla AE92 4A-GE \/ 4A-GZE applications\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe HKS Adjustable Slide Cam Pulley allows precise camshaft timing adjustment on Toyota 4A-GE and 4A-GZE engines. Moving the cam timing forward or backward relative to the crankshaft allows the installed valve timing to be set for factory or aftermarket camshafts, engine machining changes, and performance tuning. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eThe pulley uses lightweight A2014 duralumin construction with a nickel-plated gear section for increased surface hardness and wear resistance. The center adjustment position corresponds to the factory cam-pulley phase, while the graduated scale allows repeatable advance or retard adjustments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable camshaft timing for Toyota \u003cstrong\u003e4A-GE and 4A-GZE\u003c\/strong\u003e engines\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e±20° crank-angle adjustment range\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eApproximately \u003cstrong\u003e2° of crank angle per graduation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCenter position corresponds to factory cam timing\u003c\/li\u003e\n\u003cli\u003eSuitable for intake or exhaust camshaft use on supported 16-valve applications\u003c\/li\u003e\n\u003cli\u003eLightweight \u003cstrong\u003eA2014 duralumin\u003c\/strong\u003e construction\u003c\/li\u003e\n\u003cli\u003eNickel-plated gear section for increased surface hardness and wear resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for use with standard or reinforced timing belts\u003c\/li\u003e\n\u003cli\u003eOne pulley controls one camshaft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991 Toyota Sprinter Trueno – AE92\u003c\/strong\u003e — 4A-GE \/ 4A-GZE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1989–1991 Toyota Corolla Levin – AE92\u003c\/strong\u003e — 4A-GE \/ 4A-GZE\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – \u003cstrong\u003e4A-GE\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota MR2 AW11\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1986 Toyota MR2 – MK1 – AW11\u003c\/strong\u003e — 4A-GE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1989 Toyota MR2 – MK1 – AW11\u003c\/strong\u003e — 4A-GZE Supercharged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor the original 4A-GE 16-valve intake or exhaust camshaft position; not for SR5 4A-F \/ 4A-FE engines.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFits the intake and exhaust camshaft positions on supported 16-valve 4A-GE \/ 4A-GZE applications.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNot compatible with the intake side of 5-valve \/ 20-valve 4A-GE applications.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAE101 vehicle fitment is not included in the verified application range.\u003c\/li\u003e\n\u003cli\u003eVerify engine configuration before ordering for engine-swapped vehicles.\u003c\/li\u003e\n\u003cli\u003eCamshaft timing must be checked after installation to confirm valve-to-piston clearance and the intended valve timing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e HKS\u003cbr\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Adjustable Cam Gear \/ Slide Cam Pulley\u003cbr\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Toyota 4A-GE \/ 4A-GZE\u003cbr\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e A2014 Duralumin\u003cbr\u003e\n\u003cstrong\u003eGear Finish:\u003c\/strong\u003e Nickel Plated\u003cbr\u003e\n\u003cstrong\u003eAdjustment Range:\u003c\/strong\u003e ±20° Crank Angle\u003cbr\u003e\n\u003cstrong\u003eGraduation:\u003c\/strong\u003e Approximately 2° Crank Angle per Mark\u003cbr\u003e\n\u003cstrong\u003eCamshaft Position:\u003c\/strong\u003e Intake \/ Exhaust as Applicable\u003cbr\u003e\n\u003cstrong\u003eTiming Drive:\u003c\/strong\u003e Timing Belt\u003cbr\u003e\n\u003cstrong\u003eValve Train:\u003c\/strong\u003e DOHC\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSupporting Engine Components\u003c\/h2\u003e\n\u003cp\u003eThese related engine components support the same engine family or a closely connected service area. \u003ca href=\"https:\/\/preserverad.com\/products\/hks-fine-tune-high-performance-timing-belt-4age-4agze-16v-ae86-aw11-ae92\" target=\"_blank\"\u003e\u003cstrong\u003eHKS Fine Tune High-Performance Timing Belt | 4A-GE \/ 4A-GZE 16V\u003c\/strong\u003e\u003c\/a\u003e — reinforced timing-belt option for supported 16-valve 4A-GE \/ 4A-GZE applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Unit (1 Gear)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e(1) HKS Adjustable Slide Cam Pulley for one camshaft.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Engine Set - Pair (2 Gears)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e(2) HKS Adjustable Slide Cam Pulleys for the intake and exhaust camshafts on a supported twin-cam application.\u003c\/li\u003e\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Single Unit (1 Gear)","offer_id":53237916172597,"sku":"541","price":215.0,"currency_code":"USD","in_stock":true},{"title":"Complete Engine Set - Pair (2 Gears)","offer_id":53237916205365,"sku":"542","price":430.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/Untitled-3_263abe02-83d0-4bab-b10b-6d62fe67e852.png?v=1790372284"},{"product_id":"arp-4age-head-stud-kit-toyota-ae86-16v","title":"AE86 ARP Pro Series 8740 Chromoly Cylinder Head Stud Kit | 4A-GE (1983-87 Corolla) | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eARP Pro Series 8740 Chromoly Cylinder Head Stud Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin and 1985–1987 U.S.-Market Corolla Sport AE86 GT-S with 1.6L 4A-GE 16V Engine\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe ARP Pro Series Cylinder Head Stud Kit is a performance-grade cylinder head fastening upgrade for Toyota \u003cstrong\u003e4A-GE 1.6L DOHC 16-valve engines\u003c\/strong\u003e, including the engine used in the AE86 Corolla Levin, Sprinter Trueno, and Corolla Sport GT-S. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eThe kit replaces the factory cylinder-head fasteners with \u003cstrong\u003e8740 chromoly steel studs\u003c\/strong\u003e, 12-point nuts, and hardened parallel-ground washers. The stud design provides a strong, consistent clamping connection between the cylinder head and engine block, making it well suited to engine rebuilds, performance builds, and applications where dependable cylinder-head sealing is important.\u003c\/p\u003e\n\u003cp\u003eThe kit uses ten application-specific studs in three lengths to match the factory 4A-GE cylinder-head mounting locations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Toyota \u003cstrong\u003e1.6L 4A-GE DOHC 16V engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFits AE86 models equipped with the 4A-GE \/ 4A-GEU 16-valve engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8740 chromoly steel\u003c\/strong\u003e fastener construction\u003c\/li\u003e\n\u003cli\u003eBlack oxide fastener finish\u003c\/li\u003e\n\u003cli\u003eHeat-treated performance fasteners\u003c\/li\u003e\n\u003cli\u003eThread-rolled stud construction\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003e12-point nuts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes hardened parallel-ground washers\u003c\/li\u003e\n\u003cli\u003eTen application-specific cylinder head studs\u003c\/li\u003e\n\u003cli\u003eARP Ultra-Torque fastener assembly lubricant included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation \u0026amp; Torque Requirements\u003c\/h2\u003e\n\u003cp\u003eThe cylinder-head studs install into \u003cstrong\u003eM10 × 1.25 block threads\u003c\/strong\u003e and should be threaded into the engine block \u003cstrong\u003ehand tight only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith ARP Ultra-Torque applied to the stud threads, nut faces, and washers, the cylinder-head nuts are tightened following the proper Toyota cylinder-head torque sequence in three equal steps to a final torque of \u003cstrong\u003e60 ft-lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe ten studs use three application-specific lengths:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFive M10 studs measuring \u003cstrong\u003e4.250 inches\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFour M10 studs measuring \u003cstrong\u003e5.000 inches\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOne M10 stud measuring \u003cstrong\u003e4.800 inches\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEngine-block threads should be thoroughly cleaned before installation to ensure proper thread engagement and accurate torque readings.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Sprinter Trueno\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Trueno (JDM) – \u003cstrong\u003e1.6L 4A-GE \/ 4A-GEU DOHC 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota Corolla Levin\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Levin (JDM) – \u003cstrong\u003e1.6L 4A-GE \/ 4A-GEU DOHC 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota Corolla Sport GT-S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1985–1987 Toyota Corolla Sport AE86 – GT-S (U.S.-Market) – \u003cstrong\u003e1.6L 4A-GE DOHC 16V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor the original 4A-GE DOHC 16-valve cylinder head and block; not for SR5 4A-F \/ 4A-FE or 20-valve cylinder-head conversions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e4A-GE \/ 4A-GEU 16-valve engines only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit AE86 SR5 models with the 4A-C SOHC engine\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eNot intended for 4A-GE 20-valve cylinder-head applications\u003c\/li\u003e\n\u003cli\u003eClean all engine-block threads before installation\u003c\/li\u003e\n\u003cli\u003eInstall studs into the block hand tight only\u003c\/li\u003e\n\u003cli\u003eFinal torque specification is \u003cstrong\u003e60 ft-lb when using ARP Ultra-Torque\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFollow the correct Toyota cylinder-head tightening sequence\u003c\/li\u003e\n\u003cli\u003eProfessional engine assembly is recommended when proper installation procedures cannot be verified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ARP\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Pro Series\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Cylinder Head Stud Kit\u003cbr\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e Toyota 1.6L 4A-GE \/ 4A-GEU DOHC 16V\u003cbr\u003e\u003cstrong\u003eFastener Style:\u003c\/strong\u003e Stud\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 8740 Chromoly Steel\u003cbr\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Oxide\u003cbr\u003e\u003cstrong\u003eNut Style:\u003c\/strong\u003e 12-Point\u003cbr\u003e\u003cstrong\u003eBlock Thread:\u003c\/strong\u003e M10 × 1.25\u003cbr\u003e\u003cstrong\u003eStud Quantity:\u003c\/strong\u003e 10\u003cbr\u003e\u003cstrong\u003eFinal Torque:\u003c\/strong\u003e 60 ft-lb with ARP Ultra-Torque\u003cbr\u003e\u003cstrong\u003eWashers Included:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eAssembly Lubricant Included:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Cylinder Head-to-Engine Block Fastening\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTen application-specific cylinder head studs\u003c\/li\u003e\n\u003cli\u003e12-point fastening nuts\u003c\/li\u003e\n\u003cli\u003eHardened parallel-ground washers\u003c\/li\u003e\n\u003cli\u003eARP Ultra-Torque fastener assembly lubricant\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":53443512402229,"sku":"783","price":158.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ARP_305e2d55-4053-4682-a8eb-1cf479396f87.png?v=1788307671"},{"product_id":"supertech-4age-valve-spring-titanium-retainer-kit-ae86-aw11-mr2","title":"Supertech Valve Spring Kit | 4A-GE 16V (1983-87 Corolla \/ 1984-89 MR2) | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eSupertech Valve Spring Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin and 1985–1987 U.S.-Market Corolla Sport AE86 GT-S\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSupertech Valve Spring Kit\u003c\/strong\u003e is a complete performance valvetrain upgrade for Toyota \u003cstrong\u003e4A-GE DOHC 16-valve\u003c\/strong\u003e cylinder heads. Two spring-pressure configurations are available so the valvetrain can be matched to the camshaft profile, RPM range, and intended engine use. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eBoth configurations use \u003cstrong\u003eChrome Silicon Vanadium steel valve springs\u003c\/strong\u003e with \u003cstrong\u003eCNC-machined titanium retainers\u003c\/strong\u003e. The single-spring setup provides 55 lb of seat pressure for milder performance combinations, while the dual-spring setup increases seat pressure to 73 lb for more demanding camshaft and high-RPM applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eComplete 16-valve spring and titanium retainer kit\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for Toyota \u003cstrong\u003e4A-GE DOHC 16V\u003c\/strong\u003e cylinder heads\u003c\/li\u003e\n\u003cli\u003eChoice of \u003cstrong\u003e55 lb single-spring\u003c\/strong\u003e or \u003cstrong\u003e73 lb dual-spring\u003c\/strong\u003e configuration\u003c\/li\u003e\n\u003cli\u003eChrome Silicon Vanadium steel spring construction\u003c\/li\u003e\n\u003cli\u003eCNC-machined titanium retainers\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e14.4 mm maximum net valve lift\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e25 mm outer spring diameter\u003c\/li\u003e\n\u003cli\u003e18 mm outer spring inside diameter\u003c\/li\u003e\n\u003cli\u003ePerformance upgrade for higher-RPM and performance-camshaft builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSingle vs. Dual Spring Configuration\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Spring – 55 lb\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeat pressure: \u003cstrong\u003e55 lb @ 35.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOpen pressure: \u003cstrong\u003e130 lb @ 10.5 mm lift\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpring rate: \u003cstrong\u003e7.6 lb\/mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum net lift: \u003cstrong\u003e14.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCoil bind: \u003cstrong\u003e21 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDual Spring – 73 lb\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeat pressure: \u003cstrong\u003e73 lb @ 35.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOpen pressure: \u003cstrong\u003e202 lb @ 10.5 mm lift\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpring rate: \u003cstrong\u003e12.6 lb\/mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum net lift: \u003cstrong\u003e14.4 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCoil bind: \u003cstrong\u003e21 mm outer \/ 17 mm inner\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSelect spring pressure according to the camshaft manufacturer's installed-height and spring-pressure requirements rather than choosing the higher-pressure configuration automatically.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Trueno (JDM) – 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Levin (JDM) – 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e1985–1987 Toyota Corolla Sport AE86 – GT-S (U.S.-Market) – 4A-GE 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 AW11\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1989 MR2 AW11\u003c\/strong\u003e — JDM — Naturally Aspirated 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989 MR2 AW11\u003c\/strong\u003e — U.S.-Market — Naturally Aspirated 4A-GE 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor naturally aspirated 4A-GE 16-valve cylinder heads, with the selected spring, retainer, seat and valve-guide\/seal arrangement matched to the actual head. The dual-spring setup requires the compatible smaller-diameter guide\/seal arrangement. Verify installed height and all stated clearances. Not for SR5 4A-F \/ 4A-FE or 20-valve heads.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e4A-GE DOHC 16-valve cylinder heads only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit AE86 SR5 models with the 4A-C engine\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit 4A-GE 20-valve cylinder heads\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4A-GZE supercharged AW11 applications are excluded\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThe dual-spring configuration uses the matching smaller-diameter valve-guide seal arrangement supplied for that setup\u003c\/li\u003e\n\u003cli\u003eInstalled spring height, coil-bind clearance, retainer-to-seal clearance, and actual camshaft lift must be verified during engine assembly\u003c\/li\u003e\n\u003cli\u003eProfessional cylinder-head assembly is recommended for modified performance engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Supertech\u003cbr\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Valve Spring \u0026amp; Titanium Retainer Kit\u003cbr\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Toyota 4A-GE DOHC 16V\u003cbr\u003e\n\u003cstrong\u003eAvailable Designs:\u003c\/strong\u003e Single Spring \/ Dual Spring\u003cbr\u003e\n\u003cstrong\u003eSpring Material:\u003c\/strong\u003e Chrome Silicon Vanadium Steel\u003cbr\u003e\n\u003cstrong\u003eRetainer Material:\u003c\/strong\u003e Titanium\u003cbr\u003e\n\u003cstrong\u003eOuter Spring OD:\u003c\/strong\u003e 25 mm\u003cbr\u003e\n\u003cstrong\u003eOuter Spring ID:\u003c\/strong\u003e 18 mm\u003cbr\u003e\n\u003cstrong\u003eMaximum Net Lift:\u003c\/strong\u003e 14.4 mm\u003cbr\u003e\n\u003cstrong\u003eValve Positions:\u003c\/strong\u003e Intake \u0026amp; Exhaust\u003cbr\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Complete 16-Valve Cylinder Head\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Spring – 55 lb\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(16) Single valve springs\u003c\/li\u003e\n\u003cli\u003e(16) Titanium retainers\u003c\/li\u003e\n\u003cli\u003e(16) Spring seat locators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDual Spring – 73 lb\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(16) Outer valve springs\u003c\/li\u003e\n\u003cli\u003e(16) Inner valve springs\u003c\/li\u003e\n\u003cli\u003e(16) Titanium retainers\u003c\/li\u003e\n\u003cli\u003e(16) Spring seat locators\u003c\/li\u003e\n\u003cli\u003e(16) Matching valve stem seals\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Single Spring – 55 lb","offer_id":53510985515317,"sku":"918","price":467.74,"currency_code":"USD","in_stock":true},{"title":"Dual Spring – 73 lb","offer_id":53510985548085,"sku":"919","price":550.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/supertech-4age-16v-valve-spring-titanium-retainer-kit-01.png?v=1789997601"},{"product_id":"arp-4age-connecting-rod-bolt-kit-toyota-ae86","title":"AE86 ARP High Performance 8740 Connecting Rod Bolt Kit | 4A-GE (1983-87 Corolla) | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eARP High Performance 8740 Connecting Rod Bolt Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin and 1985–1987 U.S.-Market Corolla Sport AE86 GT-S\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe ARP High Performance Connecting Rod Bolt Kit is a heavy-duty fastener upgrade for Toyota 1.6L 4A-GE engines using M9 connecting rod bolts. Manufactured from premium 8740 chromoly steel, these bolts are designed for increased strength and durability compared with original production rod fasteners. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThis complete eight-bolt kit services all four connecting rods and is well suited to 4A-GE engine rebuilds, refreshed factory engines, and performance builds where dependable connecting-rod clamping is especially important.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eInstallation requires the bolts to be press-fitted into the connecting rods. The connecting rods must be resized after the new bolts are installed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Performance Series connecting rod bolt kit\u003c\/li\u003e\n\u003cli\u003e\nPremium \u003cstrong\u003e8740 chromoly steel\u003c\/strong\u003e construction\n\u003c\/li\u003e\n\u003cli\u003e\nHeat-treated for approximately \u003cstrong\u003e200,000 psi tensile strength\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM9 connecting rod bolt\u003c\/strong\u003e application\n\u003c\/li\u003e\n\u003cli\u003e\nComplete \u003cstrong\u003e8-bolt set\u003c\/strong\u003e for a four-cylinder engine\n\u003c\/li\u003e\n\u003cli\u003e\nDesigned for Toyota \u003cstrong\u003e1.6L 4A-GE\u003c\/strong\u003e engines\n\u003c\/li\u003e\n\u003cli\u003eLarge under-head radius designed to improve fastener strength\u003c\/li\u003e\n\u003cli\u003eSuitable for stock rebuild and performance engine applications\u003c\/li\u003e\n\u003cli\u003eSupplied as a complete connecting-rod fastener set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Requirements\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThese connecting rod bolts use a \u003cstrong\u003epress-fit installation\u003c\/strong\u003e and should be installed as part of proper connecting-rod machine work.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe preferred tightening method is to measure bolt stretch to \u003cstrong\u003e.0050–.0055 inch\u003c\/strong\u003e using a connecting-rod bolt stretch gauge.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eWhen a stretch gauge is unavailable, the fasteners can be tightened to \u003cstrong\u003e40 ft-lb using ARP Ultra-Torque Fastener Assembly Lubricant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eAfter installation of the new rod bolts, \u003cstrong\u003ethe connecting rods must be resized\u003c\/strong\u003e. Because correct rod bore geometry and fastener preload are critical to engine durability, professional connecting-rod machining and engine assembly are recommended.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Trueno (JDM) – 1.6L 4A-GE \/ 4A-GEU\u003c\/li\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Levin (JDM) – 1.6L 4A-GE \/ 4A-GEU\u003c\/li\u003e\n\u003cli\u003e1985–1987 Toyota Corolla Sport AE86 – GT-S (U.S.-Market) – 1.6L 4A-GE \/ 4A-GEC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor 4A-GE connecting rods accepting the listed M9 press-fit bolts. Verify the actual rods; resizing after bolt installation is required. Not for incompatible aftermarket rods or SR5 4A-F \/ 4A-FE.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e4A-GE engine application\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\nDesigned for connecting rods using \u003cstrong\u003eM9 press-fit rod bolts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNot listed here for the USDM AE86 SR5 4A-C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eVerify the connecting rod configuration when using non-original or aftermarket connecting rods\u003c\/li\u003e\n\u003cli\u003eConnecting rods must be resized after installation\u003c\/li\u003e\n\u003cli\u003eBolt stretch measurement is the preferred tightening method\u003c\/li\u003e\n\u003cli\u003eEngine machining and professional installation are recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ARP\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e High Performance\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Connecting Rod Bolt Kit\u003cbr\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e Toyota 1.6L 4A-GE\u003cbr\u003e\u003cstrong\u003eBolt Size:\u003c\/strong\u003e M9\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 8740 Chromoly Steel\u003cbr\u003e\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e Approximately 200,000 psi\u003cbr\u003e\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Press-Fit\u003cbr\u003e\u003cstrong\u003eRecommended Bolt Stretch:\u003c\/strong\u003e.0050–.0055 in.\u003cbr\u003e\u003cstrong\u003eAlternative Torque Specification:\u003c\/strong\u003e 40 ft-lb with ARP Ultra-Torque\u003cbr\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e 8 Connecting Rod Bolts\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e(8) ARP High Performance 8740 Connecting Rod Bolts\u003c\/li\u003e\n\u003cli\u003eMatching connecting rod fastener hardware supplied with the complete kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":53537480802613,"sku":"964","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ae86-arp-high-performance-8740-connecting-rod-bolt-kit-01.png?v=1792550767"},{"product_id":"arp-4age-main-stud-kit-ae86-aw11","title":"ARP 8740 Chromoly Main Stud Kit | 4A-GE (1983-87 Corolla \/ 1984-89 MR2) | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eARP 8740 Chromoly 4A-GE Main Stud Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin and 1985–1987 U.S.-Market Corolla Sport AE86 GT-S\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe ARP Main Stud Kit is a high-strength bottom-end fastener upgrade for Toyota 1.6L 4A-GE DOHC 16-valve engines. It replaces the factory main-cap bolts with precision-manufactured studs designed to provide more consistent main-bearing-cap clamping during engine assembly. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eMain studs are particularly useful in performance, high-RPM, and rebuilt 4A-GE engines where maintaining accurate crankshaft main-cap alignment is important. Unlike a conventional bolt that rotates into the block while being tightened, a stud remains stationary while the nut is torqued, helping provide more consistent fastener loading.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe studs are manufactured from heat-treated 8740 chromoly steel with a black oxide finish and a tensile-strength rating of approximately 190,000 psi. Hardened washers and high-strength hex nuts are included to complete the main-cap fastening system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Toyota 1.6L 4A-GE DOHC 16V engines\u003c\/li\u003e\n\u003cli\u003ePerformance replacement for factory main-cap bolts\u003c\/li\u003e\n\u003cli\u003e8740 chromoly steel construction\u003c\/li\u003e\n\u003cli\u003eApproximately 190,000 psi tensile-strength rating\u003c\/li\u003e\n\u003cli\u003eHeat-treated fastener construction\u003c\/li\u003e\n\u003cli\u003ePrecision thread-rolled stud design\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish\u003c\/li\u003e\n\u003cli\u003eHelps reduce main-cap walk and fretting\u003c\/li\u003e\n\u003cli\u003eProvides consistent main-bearing-cap clamping\u003c\/li\u003e\n\u003cli\u003eIncludes hardened parallel-ground washers and high-strength nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eMain Stud Design\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe stud-style fastening system separates block-thread engagement from final clamping torque. Each stud threads into the engine block first, while the main cap is secured by tightening the nut over the washer.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThis arrangement reduces the twisting load placed on the fastener during final tightening and helps maintain more consistent clamping across the main-bearing caps. It is well suited to 4A-GE engine rebuilds, naturally aspirated performance builds, and other applications where increased bottom-end fastener strength is desired.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eToyota Sprinter Trueno AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Trueno (JDM) – 1.6L 4A-GE \/ 4A-GEU DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eToyota Corolla Levin AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Levin (JDM) – 1.6L 4A-GE \/ 4A-GEU DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eToyota Corolla Sport GT-S AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1985–1987 Toyota Corolla Sport AE86 – GT-S (U.S.-Market) – 1.6L 4A-GE DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eToyota MR2 AW11\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1984–1989 Toyota MR2 – AW11 – 1.6L 4A-GE DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor the 4A-GE DOHC 16-valve engine with the original two-bolt main-cap arrangement; retain the listed clearance and alignment checks. Not listed for SR5 4A-F \/ 4A-FE.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFor Toyota 4A-GE DOHC 16-valve engines\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit the factory AE86 SR5 4A-C SOHC engine\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAE86 SR5 fitment requires a properly completed 4A-GE engine conversion\u003c\/li\u003e\n\u003cli\u003eDesigned for a 2-bolt main-cap configuration\u003c\/li\u003e\n\u003cli\u003eNot designed for windage-tray mounting\u003c\/li\u003e\n\u003cli\u003eEngine disassembly is required for main-stud installation\u003c\/li\u003e\n\u003cli\u003eMain-bearing clearances and crankshaft alignment should be checked during engine assembly\u003c\/li\u003e\n\u003cli\u003eFollow the supplied fastener installation and torque procedure\u003c\/li\u003e\n\u003cli\u003eProfessional engine assembly or machine-shop inspection is recommended for performance engine builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ARP\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Main Stud Kit\u003cbr\u003e\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Toyota 4A-GE\u003cbr\u003e\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1.6L\u003cbr\u003e\u003cstrong\u003eCylinder Head Configuration:\u003c\/strong\u003e DOHC 16V\u003cbr\u003e\u003cstrong\u003eMain Configuration:\u003c\/strong\u003e 2-Bolt Main\u003cbr\u003e\u003cstrong\u003eFastener Style:\u003c\/strong\u003e Stud\u003cbr\u003e\u003cstrong\u003eNut Style:\u003c\/strong\u003e Standard Hex\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 8740 Chromoly Steel\u003cbr\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Oxide\u003cbr\u003e\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e Approximately 190,000 psi\u003cbr\u003e\u003cstrong\u003eWashers Included:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eNuts Included:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eWindage Tray Provision:\u003c\/strong\u003e No\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Crankshaft Main Bearing Cap Fastening\u003cbr\u003e\u003cstrong\u003eManufacturer Type:\u003c\/strong\u003e Aftermarket Performance\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eARP 4A-GE main studs\u003c\/li\u003e\n\u003cli\u003eHigh-strength hex fastening nuts\u003c\/li\u003e\n\u003cli\u003eHardened parallel-ground washers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":53537731051829,"sku":"965","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/arp-8740-chromoly-main-stud-kit-01.png?v=1792550767"},{"product_id":"acl-race-main-bearings-toyota-4age-4agze-ae86-aw11","title":"ACL Race Series Standard-Size Main Bearing Set | Toyota 4A-GE \/ 4A-GZE Applications | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eACL Race Series Standard-Size Main Bearing Set\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor Toyota 4A-GE \u0026amp; 4A-GZE 1.6L engine applications in Corolla AE86, MR2 AW11 \u0026amp; Corolla AE92\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe ACL Race Series Standard-Size Main Bearing Set is a performance engine-bearing set for Toyota 1.6L 4A-GE and 4A-GZE builds using standard-diameter crankshaft journals. The set supports the crankshaft across all five main-journal positions and is intended for performance rebuilds where consistent clearances, bearing retention, and durability at elevated engine speeds are priorities. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eRace Series construction combines a high-tensile steel backing with a copper-lead-tin lining, nickel barrier, and lead-tin-copper overlay. ACL's extended main-bearing groove design supports oil delivery while preserving bearing surface area, and increased eccentricity helps the bearing adapt to housing distortion during high-speed operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis bearing set is for standard-size crankshaft journals only.\u003c\/strong\u003e Crankshaft journal diameter and assembled oil clearance must be measured during engine assembly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eACL Race Series performance main bearing set\u003c\/li\u003e\n\u003cli\u003eDesigned for Toyota 1.6L 4A-GE and 4A-GZE engine applications\u003c\/li\u003e\n\u003cli\u003eComplete set for all five crankshaft main-journal positions\u003c\/li\u003e\n\u003cli\u003eStandard-size configuration for standard-diameter crankshaft journals\u003c\/li\u003e\n\u003cli\u003eTri-metal copper-lead bearing construction with nickel barrier layer\u003c\/li\u003e\n\u003cli\u003eHigh-tensile steel backing for bearing support and retention\u003c\/li\u003e\n\u003cli\u003ePrecision-machined wall thickness for consistent assembled clearances\u003c\/li\u003e\n\u003cli\u003eExtended main-bearing grooves support oil delivery to the connecting-rod bearings\u003c\/li\u003e\n\u003cli\u003eIncreased eccentricity helps accommodate housing distortion at elevated engine speeds\u003c\/li\u003e\n\u003cli\u003eEnlarged internal-diameter chamfers accommodate performance crankshaft fillet radii\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eRace Series Bearing Construction\u003c\/h2\u003e\n\u003cp\u003eACL Race Series bearings use a multi-layer construction built for high-load engine applications. The bearing structure uses SAE1010 high-tensile steel backing, a copper-lead-tin lining, a nickel separation layer, and a lead-tin-copper overlay.\u003c\/p\u003e\n\u003cp\u003eThe Race Series design does not use a cosmetic silver tin flash. New bearings can show a dark tarnished appearance that may vary between black, brown, and blue tones; this is normal for the Race Series overlay and does not indicate a used or damaged bearing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987 | AE86\u003c\/strong\u003e — 4A-GE 1.6L 16V engine applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 AW11\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1989 | MK1 \/ AW11\u003c\/strong\u003e — 4A-GE or 4A-GZE 1.6L 16V engine applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991 | AE92\u003c\/strong\u003e — 4A-GE or 4A-GZE 1.6L engine applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor the 4A-GE with standard-diameter main journals and the specified bearing interface; measure actual journal diameter and assembled oil clearance. Not listed for SR5 4A-F \/ 4A-FE.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eStandard-size crankshaft journal application only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eVerify the installed engine code is 4A-GE or 4A-GZE before ordering\u003c\/li\u003e\n\u003cli\u003eA crankshaft that has been ground undersize requires the corresponding undersize bearing set\u003c\/li\u003e\n\u003cli\u003eThis is a main bearing set; connecting-rod bearings are sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ACL\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Race Series\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Main Bearing Set\u003cbr\u003e\u003cstrong\u003eBearing Size:\u003c\/strong\u003e Standard (STD)\u003cbr\u003e\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Toyota 4A-GE \/ 4A-GZE\u003cbr\u003e\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1.6L \/ 1587cc\u003cbr\u003e\u003cstrong\u003eBearing Construction:\u003c\/strong\u003e Tri-Metal\u003cbr\u003e\u003cstrong\u003eLining:\u003c\/strong\u003e Copper-Lead-Tin\u003cbr\u003e\u003cstrong\u003eBarrier Layer:\u003c\/strong\u003e Nickel\u003cbr\u003e\u003cstrong\u003eOverlay:\u003c\/strong\u003e Lead-Tin-Copper\u003cbr\u003e\u003cstrong\u003eSteel Backing:\u003c\/strong\u003e SAE1010 High-Tensile Steel\u003cbr\u003e\u003cstrong\u003eMain Journal Positions:\u003c\/strong\u003e 1–5\u003cbr\u003e\u003cstrong\u003eTunnel Diameter:\u003c\/strong\u003e 52.020–52.050 mm\u003cbr\u003e\u003cstrong\u003eStandard Shaft Diameter:\u003c\/strong\u003e 47.985–48.000 mm\u003cbr\u003e\u003cstrong\u003eMaximum Wall Thickness:\u003c\/strong\u003e 2.001 mm\u003cbr\u003e\u003cstrong\u003eMaximum Bearing Length:\u003c\/strong\u003e 19.90 mm\u003cbr\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e Performance\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Requirements\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasure crankshaft journal diameter before final assembly\u003c\/li\u003e\n\u003cli\u003eMeasure assembled bearing bore and calculate actual oil clearance before installation\u003c\/li\u003e\n\u003cli\u003eUse proper engine-building measurement tools and procedures; professional machine-shop verification is recommended when crankshaft condition or journal size is uncertain\u003c\/li\u003e\n\u003cli\u003eDo not use abrasive pads or paper to alter the bearing surface in an attempt to change oil clearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Complete ACL Race Series standard-size main bearing set for all five crankshaft main journals\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":53537993949493,"sku":"966","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/acl-race-series-standard-size-main-bearing-set-4age-4agze-01.png?v=1789941138"},{"product_id":"tomei-4ag-main-stud-crank-cap-ladder-kits-ae86-aw11","title":"TOMEI Main Stud \u0026 Crank Cap Ladder Kits | 4A-GE \/ 4A-GZE (1983-87 Corolla \/ 1984-89 MR2) | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eTOMEI 4AG Main Stud \u0026amp; Crank Cap Ladder Kits\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 and 1984–1989 Toyota MR2 AW11 (MK1) 4A-GE \/ 4A-GZE 16V engine builds\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eTOMEI 4AG main studs and crank-cap ladders reinforce the lower end of Toyota 4A-GE and 4A-GZE 16V engines used in AE86 Corolla and MK1 AW11 MR2 applications. The main studs improve main-cap clamping consistency, while the ladder pieces increase support across the crank-cap area for high-RPM and performance engine builds. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eChoose the five-piece ladder set, the main-stud set, or the complete matched package with both systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Toyota \u003cstrong\u003e4A-GE \/ 4A-GZE 16V\u003c\/strong\u003e bottom-end reinforcement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8740 chromoly\u003c\/strong\u003e main-stud construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM10 × P1.25\u003c\/strong\u003e main-stud thread specification\u003c\/li\u003e\n\u003cli\u003eTen main studs, ten nuts, and ten washers in main-stud-equipped configurations\u003c\/li\u003e\n\u003cli\u003eFive special heat-treated crank-cap ladders in ladder-equipped configurations\u003c\/li\u003e\n\u003cli\u003eSupports more consistent main-cap clamping and increased crank-cap rigidity\u003c\/li\u003e\n\u003cli\u003eAvailable as ladder-only, main-stud-only, or complete matched configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBottom-End Reinforcement\u003c\/h2\u003e\n\u003cp\u003eHigh engine speed and increased cylinder load place additional stress on the crankshaft, main bearings, main caps, and fasteners. The stud-style fastener system provides a more consistent clamping arrangement at the main caps, while the ladder system adds structural support across the crank-cap area to help control deflection under demanding engine operation.\u003c\/p\u003e\n\u003cp\u003eThe complete configuration combines both upgrades for builds where main-cap clamping and crank-cap rigidity are being addressed together.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987 Trueno (JDM)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987 Levin (JDM)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1987 GT-S (U.S.-Market)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1987 SR5 (U.S.-Market)\u003c\/strong\u003e — 4A-GE \/ 4A-GZE 16V engine swap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 (AW11 \/ MK1)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1989 JDM\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989 U.S.-Market\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1989 JDM Supercharged\u003c\/strong\u003e — 4A-GZE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989 U.S.-Market Supercharged\u003c\/strong\u003e — 4A-GZE 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor 4A-GE 16-valve engine builds. Ladder configurations require compatible main studs and verified oil-pan\/baffle clearance; factory main-cap bolts cannot be used with the ladders. Not listed for SR5 4A-F \/ 4A-FE.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFitment is determined by the installed \u003cstrong\u003e4A-GE \/ 4A-GZE 16V engine configuration\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe factory AE86 SR5 \u003cstrong\u003e4A-C\u003c\/strong\u003e engine is excluded; SR5 fitment requires a properly configured 4A-GE or 4A-GZE 16V engine swap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrank-cap ladders cannot be used with the factory main-cap bolts.\u003c\/strong\u003e Use the TOMEI main studs or another properly sized fastener setup that provides adequate engagement.\u003c\/li\u003e\n\u003cli\u003eMain-bearing clearance and crankshaft rotation must be verified during final assembly after the reinforced fasteners are torqued.\u003c\/li\u003e\n\u003cli\u003eWith ladder-equipped configurations, verify No. 5 ladder, oil-pan, and baffle clearance; modification may be required if interference is present.\u003c\/li\u003e\n\u003cli\u003eClean and inspect the engine-block threads and follow the supplied tightening, lubricant, and thread-treatment procedures.\u003c\/li\u003e\n\u003cli\u003eProfessional engine assembly is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e TOMEI\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Bottom-End Reinforcement\u003cbr\u003e\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Toyota 4AG 16V\u003cbr\u003e\u003cstrong\u003eMain Stud Material:\u003c\/strong\u003e 8740 Chromoly\u003cbr\u003e\u003cstrong\u003eMain Stud Thread:\u003c\/strong\u003e M10 × P1.25\u003cbr\u003e\u003cstrong\u003eMain Stud Quantity:\u003c\/strong\u003e 10\u003cbr\u003e\u003cstrong\u003eCrank Cap Ladder Quantity:\u003c\/strong\u003e 5\u003cbr\u003e\u003cstrong\u003eLadder Construction:\u003c\/strong\u003e Special Heat-Treated FC Material\u003cbr\u003e\u003cstrong\u003ePrimary Purpose:\u003c\/strong\u003e Main-Cap Clamping \u0026amp; Crank-Cap Reinforcement\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhich Configuration Should You Choose?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCrank Cap Ladder Set – 5 Ladders\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose this option if the engine already has a compatible main-stud setup and only needs the TOMEI crank-cap reinforcement. \u003cstrong\u003eThe factory main-cap bolts cannot be used with the ladders.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMain Stud Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose this option if upgraded 8740 chromoly main studs are needed but additional crank-cap ladder reinforcement is not. This configuration focuses on improved main-cap clamping without adding the ladder system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Main Stud + Crank Cap Ladder Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the complete package for a bottom-end build that needs both upgrades together. It includes the matching TOMEI main studs and all five crank-cap ladders, providing the complete TOMEI bottom-end reinforcement configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStarting from scratch?\u003c\/strong\u003e The complete set is the most straightforward choice when both main-cap clamping and crank-cap reinforcement are desired. If compatible main studs are already installed, the ladder-only configuration may be the more appropriate option.\u003c\/p\u003e\u003chr\u003e\n\u003ch2\u003eAlternative Main Stud Option\u003c\/h2\u003e\n\u003cp\u003eFor builders who only need upgraded main fasteners and do not need the TOMEI ladder system, the \u003ca href=\"https:\/\/preserverad.com\/products\/arp-4age-main-stud-kit-ae86-aw11\" target=\"_blank\"\u003e\u003cstrong\u003eARP 8740 Chromoly 4A-GE Main Stud Kit\u003c\/strong\u003e\u003c\/a\u003e is a main-stud-only alternative for compatible 4A-GE 16V builds. Choose the TOMEI complete configuration when both the main studs and crank-cap ladder reinforcement are desired.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCrank Cap Ladder Set – 5 Ladders\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(5) TOMEI crank-cap ladders\u003c\/li\u003e\n\u003cli\u003eMain studs are not included\u003c\/li\u003e\n\u003cli\u003eRequires TOMEI main studs or another properly sized fastener setup; factory main-cap bolts cannot be used\u003c\/li\u003e\n\u003cli\u003ePackage: 15 × 14 × 6 cm; 0.8 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMain Stud Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(10) 8740 chromoly main studs\u003c\/li\u003e\n\u003cli\u003e(10) nuts\u003c\/li\u003e\n\u003cli\u003e(10) washers\u003c\/li\u003e\n\u003cli\u003eM10 × P1.25 stud thread\u003c\/li\u003e\n\u003cli\u003ePackage: 15 × 14 × 6 cm; 1.55 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Main Stud + Crank Cap Ladder Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(5) crank-cap ladders\u003c\/li\u003e\n\u003cli\u003e(10) main studs\u003c\/li\u003e\n\u003cli\u003e(10) nuts\u003c\/li\u003e\n\u003cli\u003e(10) washers\u003c\/li\u003e\n\u003cli\u003eComplete matched bottom-end reinforcement package\u003c\/li\u003e\n\u003cli\u003ePackage: 17 × 29 × 8 cm; 1.0 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOMEI","offers":[{"title":"Crank Cap Ladder Set – 5 Ladders","offer_id":53605724815669,"sku":"1062","price":250.0,"currency_code":"USD","in_stock":true},{"title":"Main Stud Set","offer_id":53605724848437,"sku":"1063","price":270.0,"currency_code":"USD","in_stock":true},{"title":"Complete Main Stud + Crank Cap Ladder Set","offer_id":53596597125429,"sku":"1064","price":520.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/tomei-4ag-complete-main-stud-crank-cap-ladder-set-ae86-aw11.png?v=1791255981"},{"product_id":"tomei-adjustable-cam-gear-4a-ge-4a-gze-16v-ae86-aw11-ae92","title":"TOMEI Adjustable Cam Gear | 4A-GE \/ 4A-GZE 16V (AE86 Corolla \/ AW11 MR2 \/ AE92 Corolla)","description":"\u003ch2\u003eTOMEI Adjustable Cam Gear\u003c\/h2\u003e\n\u003cp\u003eFor \u003cstrong\u003e4A-GE \/ 4A-GZE 16V applications in 1983–1987 Toyota Corolla AE86, 1984–1989 Toyota MR2 AW11, and 1987–1991 Toyota Corolla AE92\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTOMEI Adjustable Cam Gear\u003c\/strong\u003e provides precise valve-timing adjustment for Toyota 4A-G 16-valve engines. The pulley and gear use duralumin construction to reduce rotating mass while retaining the strength required for performance engine builds. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eThe gear uses a slide-type adjustment mechanism and is common to the intake and exhaust camshaft positions. Each gear weighs approximately 250 g.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlide-type adjustable cam gear\u003c\/strong\u003e for fine valve-timing setup\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDuralumin pulley and gear construction\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eApproximate component weight: 250 g\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCommon intake \/ exhaust application\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±10° cam-gear adjustment range\u003c\/strong\u003e with up to ±20° equivalent crank-angle timing adjustment\u003c\/li\u003e\n\u003cli\u003eEngraved adjustment scale for repeatable setup\u003c\/li\u003e\n\u003cli\u003eAvailable as a single gear or complete pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCam Timing Adjustment\u003c\/h2\u003e\n\u003cp\u003eAdvancing or retarding cam timing can be used to alter engine response and powerband characteristics. Final settings should be established with proper valve-timing measurement procedures and matched to the installed camshaft and engine combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKeep the gear at the 0° reference position until the engine setup has been checked.\u003c\/strong\u003e Incorrect valve timing can cause piston-to-valve contact and engine damage.\u003c\/p\u003e\n\u003cp\u003eFor a related 4A-G timing-system upgrade, Preserve Rad also carries the \u003ca href=\"https:\/\/preserverad.com\/products\/hks-fine-tune-high-performance-timing-belt-4age-4agze-16v-ae86-aw11-ae92\" target=\"_blank\"\u003e\u003cstrong\u003eHKS Fine Tune High-Performance Timing Belt\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Trueno (JDM) – 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e1983–1987 Toyota Corolla AE86 – Levin (JDM) – 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e1985–1987 Toyota Corolla Sport AE86 – GT-S (U.S.-Market) – 4A-GE 16V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota Corolla AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1987–1991 Toyota Sprinter Trueno \/ Corolla Levin — AE92 — 4A-GE \/ 4A-GZE 16V\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota MR2 AW11\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1984–1989 Toyota MR2 — AW11 — 4A-GE \/ applicable 4A-GZE 16V\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor the original 4A-GE 16-valve intake or exhaust camshaft position; not for SR5 4A-F \/ 4A-FE or 20-valve conversions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFor 16-valve 4A-GE \/ 4A-GZE applications only.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eFits both intake and exhaust camshaft positions.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit factory USDM AE86 Corolla Sport SR5 4A-C engines.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eA properly converted SR5 may use this gear when equipped with a compatible 4A-G 16-valve timing system.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNot for 20-valve 4A-GE applications.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for off-road\/competition use; verify local regulations before use on public roads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e TOMEI\u003cbr\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e 4A-GE \/ 4A-GZE 16V\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Slide-Type Adjustable Cam Gear\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Duralumin\u003cbr\u003e\u003cstrong\u003eComponent Weight:\u003c\/strong\u003e Approx. 250 g\u003cbr\u003e\u003cstrong\u003eAdjustment Range:\u003c\/strong\u003e ±10° Cam Gear \/ ±20° Crank Angle\u003cbr\u003e\u003cstrong\u003ePosition:\u003c\/strong\u003e Intake \/ Exhaust\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Unit (1 Gear)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) TOMEI adjustable cam gear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Engine Set (Pair)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(2) TOMEI adjustable cam gears\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOMEI","offers":[{"title":"Single Unit (1 Gear)","offer_id":53596597158197,"sku":"1065","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Complete Engine Set (Pair)","offer_id":53597893722421,"sku":"1066","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/tomei-adjustable-cam-gear-4a-ge-4a-gze-16v-ae86-corolla-aw11-mr2-ae92-corolla-01.png?v=1790384870"},{"product_id":"fel-pro-exhaust-manifold-gasket-toyota-4age-4agze-16v","title":"Fel-Pro Exhaust Manifold Gasket | Toyota 4A-GE \/ 4A-GZE 16V Applications","description":"\u003ch2\u003eFel-Pro Exhaust Manifold Gasket\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1985–1987 U.S.-Market Corolla Sport AE86 (GT-S), 1985–1989 U.S.-Market Toyota MR2 AW11, 1987–1988 U.S.-Market Toyota Corolla AE82 FX16, and 1988–1991 U.S.-Market Toyota Corolla AE92 GT-S\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis Fel-Pro gasket seals the \u003cstrong\u003ecylinder-head-to-exhaust-manifold joint\u003c\/strong\u003e on Toyota’s 16-valve 4A-GE and 4A-GZE engines.\u003c\/p\u003e\n\u003cp\u003eIt is a \u003cstrong\u003estandalone manifold gasket\u003c\/strong\u003e for the U.S.-market applications below. The MR2 naturally aspirated and Supercharged models use the same gasket at this joint.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposite construction\u003c\/strong\u003e for exhaust-manifold sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-piece, four-port layout\u003c\/strong\u003e matching the 16-valve cylinder-head interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive fastening openings\u003c\/strong\u003e matching the manifold attachment pattern\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement\u003c\/strong\u003e for the original manifold-to-head gasket in the stated applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1985–1987 GT-S (U.S.-Market)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 (AW11 \/ MK1)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989 U.S.-Market\u003c\/strong\u003e — Naturally Aspirated, 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989 U.S.-Market Supercharged\u003c\/strong\u003e — 4A-GZE 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE82\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1987–1988 Toyota Corolla FX16 \/ FX16 GT-S – 5th Gen \/ AE82 (U.S.-Market)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991 Toyota Corolla AE92 GT-S Coupe (U.S.-Market)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit 4A-C, 4A-LC, 4A-F, 4A-FE or 20-valve 4A-GE engines.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom headers and engine swaps require separate head\/manifold interface confirmation.\u003c\/strong\u003e Factory chassis fitment alone does not establish suitability for modified exhaust components.\u003c\/li\u003e\n\u003cli\u003eFor AW11 front-pipe service involving both downstream joints, the separate consumables are \u003cstrong\u003etwo manifold-to-front-pipe seal rings, three front-pipe mounting nuts and one front-pipe-to-catalyst gasket\u003c\/strong\u003e. The catalyst gasket differs between naturally aspirated and Supercharged configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Fel-Pro\u003cbr\u003e\n\n\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Exhaust manifold gasket\u003cbr\u003e\n\n\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Composite\u003cbr\u003e\n\n\n\u003cstrong\u003eSealing interface:\u003c\/strong\u003e Cylinder head to exhaust manifold\u003cbr\u003e\n\n\n\u003cstrong\u003eQuantity required per engine:\u003c\/strong\u003e 1\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003e(1) Exhaust manifold gasket\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e Exhaust manifold, fasteners, front-pipe seal rings or catalyst gaskets.\u003c\/p\u003e","brand":"Fel-Pro","offers":[{"title":"Default Title","offer_id":67630461976885,"sku":"1405","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/fel-pro-exhaust-manifold-gasket-01.png?v=1792550896"},{"product_id":"king-xp-rod-bearings-42mm-4age-4agze-aw11","title":"AW11 King XP Rod Bearing Set | 42 mm Crankpin (1988-89 MR2) | 1988-91 AE92 Corolla GT-S","description":"\u003ch2\u003eKing XP pMaxBlack Connecting Rod Bearing Set\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1988–1989 U.S.-Market Toyota MR2 AW11 \/ MK1 with the 42 mm crankpin \/ 45 mm rod-housing bearing family\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAlso fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eKing XP pMaxBlack Connecting Rod Bearing Set\u003c\/strong\u003e is a performance connecting-rod bearing set for \u003cstrong\u003e1988–1989 U.S.-Market Toyota MR2 AW11\u003c\/strong\u003e equipped with the naturally aspirated \u003cstrong\u003e4A-GE\u003c\/strong\u003e or supercharged \u003cstrong\u003e4A-GZE\u003c\/strong\u003e engine and the \u003cstrong\u003e42 mm crankpin \/ 45 mm connecting-rod housing\u003c\/strong\u003e bearing family. Its copper-lead tri-metal construction and hardened pMaxBlack overlay are designed for demanding, high-load engine use. Also fits 1988–1991 U.S.-market Toyota Corolla AE92 GT-S with the 4A-GE 16V engine; see the AE92 fitment conditions below.\u003c\/p\u003e\n\u003cp\u003eEach set contains \u003cstrong\u003efour matching bearing pairs (eight shells)\u003c\/strong\u003e, covering all four connecting rods. Five bearing-size choices accommodate standard-diameter crankpins, measured clearance requirements, and properly reground crankpins. The correct option depends on the actual crankshaft and rod dimensions, not on the vehicle year alone.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKing XP copper-lead tri-metal bearings\u003c\/strong\u003e designed for performance engine builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epMaxBlack hardened overlay\u003c\/strong\u003e for high-load bearing service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRadiaLock crush-height design\u003c\/strong\u003e supports bearing retention and heat transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEccentriX bearing geometry\u003c\/strong\u003e supports hydrodynamic lubrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive bearing-size options\u003c\/strong\u003e for nominal crankpins and two crankshaft undersizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 — AW11 \/ MK1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989:\u003c\/strong\u003e U.S.-Market \/ 4A-GE naturally aspirated \/ 42 mm crankpin family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989:\u003c\/strong\u003e U.S.-Market Supercharged \/ 4A-GZE \/ 42 mm crankpin family.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRequired bearing interface:\u003c\/strong\u003e Nominal 42 mm crankpin diameter and 45 mm bare connecting-rod housing diameter, with the correct bearing geometry and size for the actual engine assembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92 GT-S (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S coupe \/ 4A-GE DOHC 16V \/ FWD.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eFor 4A-GE assemblies with the listed 42 mm nominal crankpin \/ 45 mm nominal bare rod-housing interface and matching bearing geometry. Select the option by actual crankshaft size and measured oil clearance; not for the earlier 40 mm crankpin assembly or SR5 4A-F \/ 4A-FE.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes not fit earlier 40 mm crankpin \/ 43 mm rod-housing AW11 assemblies.\u003c\/strong\u003e A shared 4A-GE engine name does not establish interchangeability between the two bearing families.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance and journal size determine the correct option.\u003c\/strong\u003e Toyota numbered factory bearing grades do not map directly to these King clearance choices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.25 mm and 0.50 mm undersize bearings\u003c\/strong\u003e are for correspondingly reground crankshaft journals; they are not a solution for an oversized connecting-rod housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModified engines and aftermarket connecting rods\u003c\/strong\u003e require matching bearing seats, locating tabs, oil-hole position, bearing width, crankshaft fillet clearance and assembled oil clearance. Nominal journal diameter alone does not establish fit.\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e King Engine Bearings\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e XP \/ pMaxBlack\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Connecting-Rod Bearing Set\u003cbr\u003e\u003cstrong\u003ePosition:\u003c\/strong\u003e Connecting-Rod Big End\u003cbr\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e Copper-Lead Tri-Metal\u003cbr\u003e\u003cstrong\u003eOverlay:\u003c\/strong\u003e Hardened pMaxBlack\u003cbr\u003e\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Toyota 4A-GE \/ 4A-GZE\u003cbr\u003e\u003cstrong\u003eBearing Family:\u003c\/strong\u003e Nominal 42 mm Crankpin \/ 45 mm Rod Housing\u003cbr\u003e\u003cstrong\u003eSet Quantity:\u003c\/strong\u003e Four Pairs \/ Eight Bearing Shells\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003eEvery option includes \u003cstrong\u003e(4) matched pairs of connecting-rod bearings (8 shells total)\u003c\/strong\u003e. Choose the bearing size that matches the actual finished crankshaft journal and required oil clearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBearing Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal crank — Standard clearance:\u003c\/strong\u003e Standard-size bearings for a nominal-size crankshaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal crank — 0.001 in extra clearance:\u003c\/strong\u003e Approximately 0.001 in greater assembled diametral oil clearance on the same nominal crankshaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal crank — 0.001 in reduced clearance:\u003c\/strong\u003e Approximately 0.001 in less assembled diametral oil clearance on the same nominal crankshaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.25 mm crank undersize:\u003c\/strong\u003e Bearings for crankpins finished 0.25 mm below standard diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.50 mm crank undersize:\u003c\/strong\u003e Bearings for crankpins finished 0.50 mm below standard diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e Main bearings, thrust washers, connecting rods, crankshaft, rod bolts and gaskets.\u003c\/p\u003e","brand":"King Engine Bearings","offers":[{"title":"Nominal crank — Standard clearance","offer_id":67660675645749,"sku":"1444","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Nominal crank — 0.001 in extra clearance","offer_id":67660675678517,"sku":"1445","price":79.95,"currency_code":"USD","in_stock":true},{"title":"Nominal crank — 0.001 in reduced clearance","offer_id":67660675711285,"sku":"1446","price":79.95,"currency_code":"USD","in_stock":true},{"title":"0.25 mm crank undersize","offer_id":67660675744053,"sku":"1447","price":79.95,"currency_code":"USD","in_stock":true},{"title":"0.50 mm crank undersize","offer_id":67660675776821,"sku":"1448","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/aw11-king-xp-rod-bearing-set-01.png?v=1792551010"},{"product_id":"acl-standard-thrust-washer-set-ae86-corolla-aw11-mr2","title":"ACL Standard-Thickness Thrust Washer Set (1983-87 Corolla \/ 1984-89 MR2)","description":"\u003ch2\u003eACL Standard-Thickness Crankshaft Thrust Washer Set\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin, 1985–1987 U.S.-Market Corolla Sport AE86 (GT-S), 1984–1987 U.S.-Market Corolla Sport AE86 (SR5), and 1984–1989 JDM \/ 1985–1989 U.S.-Market Toyota MR2 AW11\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis ACL thrust washer set controls \u003cstrong\u003eaxial crankshaft movement\u003c\/strong\u003e in Toyota 4A-C, 4A-GE 16V and 4A-GZE 16V engines. The separate half-washer design serves the crankshaft thrust faces at the center main-bearing position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandard thrust thickness must suit the measured crankshaft thrust faces and required assembled end float.\u003c\/strong\u003e Vehicle identity alone does not establish the correct repair thickness for a worn, machined or modified engine.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel-backed aluminum-tin\u003c\/strong\u003e bearing construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpper and lower halves\u003c\/strong\u003e for both crankshaft thrust faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard-thickness configuration\u003c\/strong\u003e for engines retaining the corresponding thrust dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparate axial-load components\u003c\/strong\u003e, distinct from radial main and connecting-rod bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAll applications require:\u003c\/strong\u003e standard thrust thickness suitable for the actual engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987 Trueno (JDM)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987 Levin (JDM)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1987 GT-S (U.S.-Market)\u003c\/strong\u003e — 4A-GE 16V; \u003cstrong\u003emanual transmission\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1987 SR5 (U.S.-Market)\u003c\/strong\u003e — 4A-C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 (AW11 \/ MK1)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1989 JDM\u003c\/strong\u003e — 4A-GE 16V; naturally aspirated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989 U.S.-Market\u003c\/strong\u003e — 4A-GE 16V; naturally aspirated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1989 JDM Supercharged\u003c\/strong\u003e — 4A-GZE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989 U.S.-Market Supercharged\u003c\/strong\u003e — 4A-GZE 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991 Toyota Corolla AE92 Trueno \/ Levin coupe (JDM)\u003c\/strong\u003e — 4A-GE 16V or 4A-GZE 16V; \u003cstrong\u003eGT-Z supercharged models use manual transmission\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1991 Toyota Corolla Sport AE92 GT-S coupe (U.S.-Market)\u003c\/strong\u003e — 4A-GE 16V; \u003cstrong\u003emanual transmission\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991 Toyota Corolla AE92 1600 GT sedan (JDM)\u003c\/strong\u003e — 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1992 Toyota Corolla AE92 FX-GT 3-door hatchback (JDM)\u003c\/strong\u003e — 4A-GE 16V; \u003cstrong\u003emanual transmission\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot an oversize thrust set.\u003c\/strong\u003e Engines requiring a different thrust thickness or crankshaft thrust-face repair need a different repair configuration.\u003c\/li\u003e\n\u003cli\u003eMain-journal and connecting-rod bearing sizes do not determine thrust-washer thickness.\u003c\/li\u003e\n\u003cli\u003eFor engine-swapped vehicles, the installed engine and its measured thrust condition determine suitability rather than the chassis badge.\u003c\/li\u003e\n\u003cli\u003eFor 4A-GE \/ 4A-GZE builds requiring standard-diameter radial main bearings, the \u003cstrong\u003e\u003ca href=\"https:\/\/preserverad.com\/products\/acl-race-main-bearings-toyota-4age-4agze-ae86-aw11\"\u003eACL Race Series Standard-Size Main Bearing Set\u003c\/a\u003e\u003c\/strong\u003e supports the five main journals. It is a separate complementary set with its own journal-size requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ACL\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Crankshaft thrust washer set\u003cbr\u003e\u003cstrong\u003eThrust Position:\u003c\/strong\u003e Front and rear faces at No. 3 main bearing\u003cbr\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e Standard; \u003cstrong\u003e2.49 mm maximum axial thickness\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e Steel-backed aluminum-tin\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e(2) Upper thrust-washer halves\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e(2) Lower thrust-washer halves\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOne four-piece set. Radial main bearings and connecting-rod bearings are not included.\u003c\/p\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":67661137281333,"sku":"1455","price":9.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/acl-standard-thickness-thrust-washer-set-01.png?v=1792551010"},{"product_id":"arp-main-bearing-cap-bolt-kit-4age-4agze-ae86-aw11-ae92","title":"ARP Main Bearing Cap Bolt Kit | 4A-GE \/ 4A-GZE (AE86 Corolla \/ AW11 MR2 \/ AE92 Corolla)","description":"\u003ch2\u003eARP Main Bearing Cap Bolt Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin and 1985–1987 U.S.-Market Corolla Sport AE86 (GT-S), 1984–1989 Toyota MR2 AW11, and 1987–1991 Toyota Corolla AE92 with 4A-GE \/ 4A-GZE Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis ARP main bearing cap bolt kit is an alternative to a stud conversion for a planned 4A-GE or 4A-GZE engine build. It supplies the bolts that secure the crankshaft's main bearing caps, with washers and ARP Ultra-Torque assembly lubricant.\u003c\/p\u003e\n\u003cp\u003eApplications include 1983–1987 AE86 Corolla, 1984–1989 AW11 MR2 and 1987–1991 AE92 Corolla in Japan, plus 1985–1987 AE86 Corolla GT-S, 1985–1989 AW11 MR2 and 1988–1991 AE92 Corolla GT-S in the U.S. Engine, transmission and supercharged-model year restrictions apply.\u003c\/p\u003e\n\u003cp\u003eIt is intended for engine-building work with factory-style main caps, not routine bolt-on maintenance. Changing main fasteners can affect main-bearing bore dimensions, so additional machine work may be necessary.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTen main-cap bolts\u003c\/strong\u003e for one engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM10 x 1.25 threads\u003c\/strong\u003e for the supported Toyota 4A-GE \/ 4A-GZE applications.\u003c\/li\u003e\n\u003cli\u003eWashers and ARP Ultra-Torque assembly lubricant included.\u003c\/li\u003e\n\u003cli\u003eA lower-cost alternative to main studs when the build does not require the stud configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987:\u003c\/strong\u003e Trueno (JDM) \/ 4A-GE 16V \/ Manual \/ RWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1987:\u003c\/strong\u003e Trueno (JDM) \/ 4A-GE 16V \/ Automatic \/ RWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987:\u003c\/strong\u003e Levin (JDM) \/ 4A-GE 16V \/ Manual \/ RWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1987:\u003c\/strong\u003e Levin (JDM) \/ 4A-GE 16V \/ Automatic \/ RWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1987:\u003c\/strong\u003e GT-S (U.S.-Market) \/ 4A-GE 16V \/ Manual \/ RWD \/ Two-door or three-door.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 — AW11 \/ MK1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1989:\u003c\/strong\u003e JDM \/ Naturally aspirated 4A-GE 16V \/ Manual or Automatic \/ RWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989:\u003c\/strong\u003e U.S.-Market \/ Naturally aspirated 4A-GE 16V \/ Manual \/ RWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1989:\u003c\/strong\u003e U.S.-Market \/ Naturally aspirated 4A-GE 16V \/ Automatic \/ RWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1989:\u003c\/strong\u003e JDM Supercharged \/ 4A-GZE \/ Manual or Automatic \/ RWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989:\u003c\/strong\u003e U.S.-Market Supercharged \/ 4A-GZE \/ Manual or Automatic \/ RWD.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991:\u003c\/strong\u003e Trueno \/ Levin GT or GT APEX (JDM) \/ 4A-GE 16V \/ Manual or Automatic \/ FWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1989:\u003c\/strong\u003e Trueno \/ Levin GTV (JDM) \/ 4A-GE 16V \/ Manual or Automatic \/ FWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991:\u003c\/strong\u003e Trueno \/ Levin GT-Z (JDM) \/ 4A-GZE \/ Manual \/ FWD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e Sport GT-S (U.S.-Market) \/ 4A-GE 16V \/ Manual \/ FWD \/ Two-door coupe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor the specified 4A-GE and 4A-GZE engines with factory-style main bearing caps.\u003c\/strong\u003e The listed chassis years do not cover every engine offered in those vehicles.\u003c\/li\u003e\n\u003cli\u003eFactory AE86 SR5 models with 4A-C engines are outside this application.\u003c\/li\u003e\n\u003cli\u003eThe kit also supports 4A-GE 20V engines. Engine-swapped cars must be matched by their actual engine and main-cap arrangement, not chassis year alone.\u003c\/li\u003e\n\u003cli\u003eAftermarket main caps, reinforcement caps and girdles require their own hardware selection; compatibility is not automatic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain-bearing bore inspection and possible align-honing are part of the engine-build considerations when changing main fasteners.\u003c\/strong\u003e This kit is not a guarantee of a machining-free rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ARP\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Main bearing cap bolt kit\u003cbr\u003e\u003cstrong\u003eEngine Application:\u003c\/strong\u003e 4A-GE 16V \/ 20V and 4A-GZE\u003cbr\u003e\u003cstrong\u003eThread:\u003c\/strong\u003e M10 x 1.25\u003cbr\u003e\u003cstrong\u003eFastener Quantity:\u003c\/strong\u003e 10 bolts\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eShould You Choose Main Bolts or Main Studs?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eARP Main Bolts — Best for Keeping a Planned Performance Rebuild More Affordable\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the bolt kit if your engine build calls for upgraded main fasteners but does not require studs or reinforcement-cap hardware. It costs less than the stud kit while retaining a bolt-style arrangement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/preserverad.com\/products\/arp-4age-main-stud-kit-ae86-aw11\"\u003eARP Main Stud Kit\u003c\/a\u003e — Best for High-Load 4A-GE Builds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the stud kit for a 4A-GE build facing extreme engine loads, where more consistent clamping is the priority. Check the linked kit's application and any reinforcement-cap requirements rather than treating bolts and studs as interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur Recommendation:\u003c\/strong\u003e Do not replace sound factory main bolts solely for normal naturally aspirated street use. For a planned performance build, choose bolts when cost matters and studs are not required; choose studs when the engine's load or reinforcement hardware calls for them.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e(10) main bearing cap bolts.\u003c\/li\u003e\n\u003cli\u003eWashers.\u003c\/li\u003e\n\u003cli\u003eARP Ultra-Torque assembly lubricant.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"ARP","offers":[{"title":"Default Title","offer_id":67742400184629,"sku":"1466","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/arp-main-bearing-cap-bolt-kit-01.png?v=1792551115"},{"product_id":"fel-pro-rear-main-seal-kit-corolla-ae86-mr2-aw11-ae92","title":"Fel-Pro Rear Main Seal Kit (Corolla AE86 \/ MR2 AW11 \/ Corolla AE92)","description":"\u003ch2\u003eFel-Pro Rear Main Seal Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin (JDM), 1985–1987 U.S.-Market Corolla Sport AE86 (GT-S), and 1984–1987 U.S.-Market Corolla Sport AE86 (SR5 \/ Sport DLX); 1984–1989 MR2 AW11 (JDM) and 1985–1989 MR2 AW11 (U.S.-Market); and 1987–1991 Corolla \/ Sprinter AE92 (JDM), 1987–1992 Corolla FX AE92 (JDM), and 1988–1992 Corolla AE92 (U.S.-Market)\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Fel-Pro rear main seal kit supplies a \u003cstrong\u003eone-piece rubber crankshaft seal\u003c\/strong\u003e for Toyota Corolla AE86, MR2 AW11 and Corolla AE92 rear crankshaft oil sealing. Coverage includes 1983–1987 Japanese AE86 Trueno \/ Levin, 1985–1987 U.S. AE86 GT-S, 1984–1987 U.S. AE86 SR5 \/ Sport DLX, 1984–1989 Japanese MR2 and 1985–1989 U.S. MR2.\u003c\/p\u003e\n\u003cp\u003eShared AE92 coverage includes 1987–1991 Japanese Corolla \/ Sprinter, 1987–1992 Japanese Corolla FX and 1988–1992 U.S. Corolla. The kit supplies the shaft seal and alternative retainer gaskets in one package, without a replacement seal housing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear crankshaft position:\u003c\/strong\u003e addresses the engine oil-sealing point at the flywheel or flexplate end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-piece rubber seal:\u003c\/strong\u003e a direct replacement for the original rear seal in the stated factory applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetainer gaskets supplied:\u003c\/strong\u003e alternative gasket shapes are included with the seal, rather than sold as separate kit choices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987:\u003c\/strong\u003e Trueno (JDM) \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987:\u003c\/strong\u003e Levin (JDM) \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1987:\u003c\/strong\u003e GT-S (U.S.-Market) \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1987:\u003c\/strong\u003e SR5 \/ Sport DLX (U.S.-Market) \/ 4A-C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 — AW11 \/ MK1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1989:\u003c\/strong\u003e JDM \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989:\u003c\/strong\u003e U.S.-Market \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1989:\u003c\/strong\u003e Supercharged (JDM) \/ 4A-GZE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989:\u003c\/strong\u003e Supercharged (U.S.-Market) \/ 4A-GZE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla — AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991:\u003c\/strong\u003e Trueno \/ Levin, Corolla GT, Sprinter GT and Sprinter Cielo GT (JDM) \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991:\u003c\/strong\u003e Trueno \/ Levin GT-Z (JDM) \/ 4A-GZE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1992:\u003c\/strong\u003e Corolla FX-GT (JDM) \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S (U.S.-Market) \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989:\u003c\/strong\u003e U.S.-Market \/ 4A-F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1989–1992:\u003c\/strong\u003e Corolla FX-GTV (JDM) \/ 4A-GE 16V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1990–1992:\u003c\/strong\u003e U.S.-Market \/ 4A-FE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory engine applications:\u003c\/strong\u003e 4A-GE coverage is for \u003cstrong\u003e16-valve engines\u003c\/strong\u003e; the chassis-year fitment does not identify a swapped engine or modified seal housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternative gaskets:\u003c\/strong\u003e the two supplied retainer gaskets are alternatives, not a two-gasket stack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear seal service only:\u003c\/strong\u003e front crankshaft seals, camshaft seals, a replacement retainer housing and a crankshaft repair sleeve are not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Fel-Pro\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Rear Main Seal Kit\u003cbr\u003e\u003cstrong\u003ePosition:\u003c\/strong\u003e Rear Crankshaft\u003cbr\u003e\u003cstrong\u003eSeal Construction:\u003c\/strong\u003e One-Piece\u003cbr\u003e\u003cstrong\u003eSeal Material:\u003c\/strong\u003e Rubber\u003cbr\u003e\u003cstrong\u003eService Quantity:\u003c\/strong\u003e One Kit per Engine\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated AE86 Clutch Service\u003c\/h2\u003e\n\u003cp\u003eA rear main seal and a clutch kit address different components. For a 1985–1987 U.S. Corolla GT-S AE86 with its original 4A-GE, T50 manual transmission and 200 mm clutch, the \u003ca href=\"https:\/\/preserverad.com\/products\/exedy-oe-clutch-kit-1985-1987-toyota-corolla-gts-ae86-4age\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eEXEDY OE Replacement Clutch Kit\u003c\/strong\u003e\u003c\/a\u003e is a separate clutch-service option.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 rear crankshaft oil seal\u003c\/li\u003e\n\u003cli\u003e2 alternative engine rear oil-seal retainer gaskets\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fel-Pro","offers":[{"title":"Default Title","offer_id":67759660695861,"sku":"1489","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/fel-pro-rear-main-seal-kit-01.png?v=1792551115"},{"product_id":"acl-race-rod-bearings-42mm-4age-4agze-aw11-ae92","title":"ACL Race Series Rod Bearing Set | 4A-GE \/ 4A-GZE, 42 mm (AW11 MR2 \/ AE92 Corolla \/ Sprinter)","description":"\u003ch2\u003eACL Race Series Rod Bearing Set\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1986–1989 Toyota AW11 MR2 and 1987–1992 Toyota AE92 Corolla \/ Sprinter with 42 mm-crank 4A-GE \/ 4A-GZE engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eACL Race Series rod bearings are a performance-oriented option for a carefully measured 4A-GE or 4A-GZE rebuild. Their tri-metal construction combines hardened steel backing, a copper-based lining and a lead-tin-copper overlay. Standard, extra-clearance, reduced-clearance and crank-undersize choices let the engine builder match the bearings to the actual crankshaft and connecting rods, rather than choosing by model year alone.\u003c\/p\u003e\n\u003cp\u003eJapan-market coverage includes 1986–1989 Supercharged MR2 and 1987–1989 naturally aspirated MR2 with the later 42\/45 mm assembly; U.S.-Market MR2 coverage is 1988–1989. Japan-market coverage also includes 1987–1991 AE92 Corolla \/ Sprinter 4A-GE and 4A-GZE models, and 1987–1992 Corolla FX-GT; U.S.-Market Corolla GT-S coverage is 1988–1991. The engine family and measured bearing interface remain essential restrictions.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace Series construction:\u003c\/strong\u003e Hardened steel backs, a copper-lead-tin lining, nickel barrier and lead-tin-copper overlay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose-built bearing geometry:\u003c\/strong\u003e Increased crush and eccentricity, with tightly controlled wall thickness, for performance engine applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasured-clearance choices:\u003c\/strong\u003e Three nominal-standard crank options and two crank-undersize options, without confusing extra clearance with a reground crankshaft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eChoosing the Correct Bearing Size\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eStandard clearance\u003c\/strong\u003e is the reference choice. \u003cstrong\u003e0.001 in extra clearance\u003c\/strong\u003e provides approximately 0.001 in (0.025 mm) more diametral clearance than the standard version on the same journal. \u003cstrong\u003e0.025 mm reduced clearance\u003c\/strong\u003e provides approximately 0.025 mm (0.001 in) less clearance than the standard version on the same journal. These are selection differences, not guaranteed finished oil-clearance values.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e0.25 mm crank undersize\u003c\/strong\u003e and \u003cstrong\u003e0.50 mm crank undersize\u003c\/strong\u003e are for the corresponding reground crankpin family. They are not extra-clearance options for an unground standard crank and do not repair an oversized rod housing. The correct choice depends on the finished crankpin diameter, rod housing, bearing geometry and measured assembled oil clearance. Do not substitute one size for another.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eEvery application below requires the \u003cstrong\u003eoriginal-style 42 mm crankpin \/ 45 mm rod-housing interface\u003c\/strong\u003e and the correctly selected bearing size. U.S. dates are model years; Japan-market dates describe production coverage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 — AW11 \/ MK1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1989:\u003c\/strong\u003e JDM Supercharged \/ 4A-GZE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1989:\u003c\/strong\u003e JDM \/ naturally aspirated 4A-GE with the later 42\/45 mm assembly introduced at the September 1987 production change. \u003cstrong\u003eSeptember transition builds require actual crank\/rod identification, not the month alone.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989:\u003c\/strong\u003e U.S.-Market \/ 4A-GE naturally aspirated or 4A-GZE Supercharged\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla \/ Sprinter — AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991:\u003c\/strong\u003e Corolla Levin \/ Sprinter Trueno, Corolla GT, Sprinter GT and Sprinter Cielo GT (Japan-market) \/ 4A-GE 16-valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1991:\u003c\/strong\u003e Corolla Levin \/ Sprinter Trueno GT-Z (Japan-market) \/ 4A-GZE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1987–1992:\u003c\/strong\u003e Corolla FX-GT (Japan-market) \/ 4A-GE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e GT-S (U.S.-Market) \/ 4A-GE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eNot for original 40 mm crankpin \/ 43 mm rod-housing assemblies, including original AE86 4A-GE and early naturally aspirated AW11 engines of that size. Original 4A-C, 4A-F and 4A-FE assemblies are not covered.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eA swap, replacement crankshaft or aftermarket rod does not establish compatibility by chassis or nominal diameter alone. Bearing seats, locating tabs, axial width, crank fillets and assembled clearance must match the supported configuration.\u003c\/li\u003e\n\u003cli\u003eToyota numbered selective bearing grades do not directly map to these ACL options. No universal oil-clearance or machining target is implied.\u003c\/li\u003e\n\u003cli\u003eThe listed factory applications use 16-valve engines. \u003cstrong\u003e20-valve engine applications are not covered.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBearing position:\u003c\/strong\u003e Connecting-rod big end\u003cbr\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Race Series tri-metal with hardened steel backing\u003cbr\u003e\n\u003cstrong\u003eNominal crankpin family:\u003c\/strong\u003e 42 mm\u003cbr\u003e\n\u003cstrong\u003eStandard crankpin reference:\u003c\/strong\u003e 41.985–42.000 mm\u003cbr\u003e\n\u003cstrong\u003eBare rod-housing reference:\u003c\/strong\u003e 45.000–45.024 mm\u003cbr\u003e\n\u003cstrong\u003eMaximum shell axial length:\u003c\/strong\u003e 17.10 mm\u003cbr\u003e\n\u003cstrong\u003eShell design:\u003c\/strong\u003e Identical upper and lower halves\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eRod Bearings and Main Bearings\u003c\/h2\u003e\n\u003cp\u003eRod bearings support the connecting rods on the crankpins; main bearings support the crankshaft in the engine block. \u003cstrong\u003e\u003ca href=\"https:\/\/preserverad.com\/products\/acl-race-main-bearings-toyota-4age-4agze-ae86-aw11\"\u003eACL Race Series standard-size main bearings\u003c\/a\u003e\u003c\/strong\u003e are a separate, complementary product for a compatible standard-size main-journal assembly. Selecting a rod-bearing undersize does not determine the main-bearing size.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003eChoose one bearing size. Every option includes eight rod-bearing half-shells, enough for four connecting rods. Main bearings, thrust washers, connecting rods, piston-pin bushes and gaskets are not included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBearing Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eStandard clearance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e0.001 in extra clearance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e0.025 mm reduced clearance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e0.25 mm crank undersize\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e0.50 mm crank undersize\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"ACL","offers":[{"title":"Standard clearance","offer_id":67851677794613,"sku":"1500","price":79.95,"currency_code":"USD","in_stock":true},{"title":"0.001 in extra clearance","offer_id":67851677827381,"sku":"1501","price":79.95,"currency_code":"USD","in_stock":true},{"title":"0.025 mm reduced clearance","offer_id":67851677860149,"sku":"1502","price":79.95,"currency_code":"USD","in_stock":true},{"title":"0.25 mm crank undersize","offer_id":67851677892917,"sku":"1503","price":79.95,"currency_code":"USD","in_stock":true},{"title":"0.50 mm crank undersize","offer_id":67851677925685,"sku":"1504","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/acl-race-series-rod-bearing-set-01.png?v=1792551131"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/collections\/Retro_Toyota_GT-S_at_Sunset.png?v=1792617444","url":"https:\/\/preserverad.com\/collections\/1988-1991-toyota-corolla-ae92-parts.oembed","provider":"Preserve Rad","version":"1.0","type":"link"}