{"product_id":"arp-4age-head-stud-kit-toyota-ae86-16v","title":"AE86 ARP Pro Series 8740 Chromoly Cylinder Head Stud Kit (Corolla 1983-1987)","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eARP Pro Series 8740 Chromoly Cylinder Head Stud Kit\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eFor \u003cstrong\u003e1983–1987 Toyota Corolla Levin \/ Sprinter Trueno AE86 \u0026amp; 1985–1987 Toyota Corolla Sport GT-S AE86 with 1.6L 4A-GE 16V Engine\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.\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 Corolla Levin\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla Levin –\u003cstrong\u003e AE86\u003c\/strong\u003e – 1.6L 4A-GE \/ 4A-GEU DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Sprinter Trueno\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Sprinter Trueno \u003cstrong\u003e – AE86\u003c\/strong\u003e – 1.6L 4A-GE \/ 4A-GEU DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla Sport GT-S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1985–1987 Toyota Corolla Sport GT-S\u003cstrong\u003e – AE86\u003c\/strong\u003e – 1.6L 4A-GE DOHC 16V\u003c\/li\u003e\n\u003c\/ul\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":null,"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","url":"https:\/\/preserverad.com\/products\/arp-4age-head-stud-kit-toyota-ae86-16v","provider":"Preserve Rad","version":"1.0","type":"link"}