{"product_id":"arp-main-stud-kit-toyota-20r-22r-22re-22r-te-4runner-pickup","title":"ARP 8740 Main Stud Kit | 20R \/ 22R \/ 22RE \/ 22R-TE (1984-95 4Runner \/ 1979-95 Pickup)","description":"\u003ch2\u003eARP 8740 Chromoly Main Stud Kit\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eFor 1984–1995 Toyota 4Runner with 22R \/ 22RE \/ 22R-TE and 1979–1995 Toyota Pickup with 20R \/ 22R \/ 22RE \/ 22R-TE\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis ARP \u003cstrong\u003emain-bearing-cap stud kit\u003c\/strong\u003e replaces the main-cap bolt arrangement in Toyota 20R, 22R, 22RE and 22R-TE engines. The set covers the original \u003cstrong\u003efive-cap, two-fastener-per-cap layout\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eHeat-treated 8740 chromoly studs, twelve-point nuts and washers provide a stud-and-nut fastening arrangement for a full engine rebuild. \u003cstrong\u003eChanged clamping load can alter main-bearing bore geometry\u003c\/strong\u003e, so machining may be part of the conversion.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8740 chromoly steel\u003c\/strong\u003e construction for the main-bearing-cap joint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-treated studs\u003c\/strong\u003e with threads rolled after heat treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwelve-point nuts\u003c\/strong\u003e supplied with hardened, parallel-ground washers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatched ten-stud set\u003c\/strong\u003e for the original two-bolt main caps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud-and-nut design\u003c\/strong\u003e retains the studs in the block while the nuts secure the caps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cp\u003eU.S.-market applications:\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eToyota 4Runner\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984 Toyota 4Runner – 1st Gen\u003c\/strong\u003e – 4WD – 22R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989 Toyota 4Runner – 1st Gen\u003c\/strong\u003e – 4WD – 22RE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1987 Toyota 4Runner – 1st Gen\u003c\/strong\u003e – 4WD – 22R-TE – Automatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1990–1991 Toyota 4Runner – 2nd Gen\u003c\/strong\u003e – 2WD – 22RE – 4-Door – Automatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1990–1995 Toyota 4Runner – 2nd Gen\u003c\/strong\u003e – 4WD – 22RE\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eToyota Pickup\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1979–1980 Toyota Pickup – 1st Gen\u003c\/strong\u003e – 2WD \/ 4WD – 20R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1981–1983 Toyota Pickup – 1st Gen\u003c\/strong\u003e – 2WD \/ 4WD – 22R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1987 Toyota Pickup – 2nd Gen\u003c\/strong\u003e – 2WD \/ 4WD – 22R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984 Toyota Pickup – 2nd Gen\u003c\/strong\u003e – 2WD – 22RE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1988 Toyota Pickup – 2nd Gen\u003c\/strong\u003e – 2WD \/ 4WD – 22RE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985 Toyota Pickup – 2nd Gen\u003c\/strong\u003e – 2WD – 22R-TE – Xtracab SR5 – 4-Speed Automatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1986–1987 Toyota Pickup – 2nd Gen\u003c\/strong\u003e – 2WD \/ 4WD – 22R-TE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988 Toyota Pickup – 2nd Gen\u003c\/strong\u003e – 2WD – 22R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988 Toyota Pickup – 2nd Gen\u003c\/strong\u003e – 2WD – 22R-TE – Xtracab SR5 – Manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1989–1990 Toyota Pickup – 3rd Gen\u003c\/strong\u003e – 2WD – 22R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1989–1995 Toyota Pickup – 3rd Gen\u003c\/strong\u003e – 2WD \/ 4WD – 22RE\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eFitment Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit 3VZ-E V6 or L \/ 2L \/ 2L-T diesel engines.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain-bore size, roundness, cap alignment and thrust clearance determine any required machining.\u003c\/strong\u003e Align honing may be necessary.\u003c\/li\u003e\n\u003cli\u003eAftermarket main caps, girdles, altered bearing structures and repaired block threads require build-specific fitment assessment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ARP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Main-bearing-cap stud kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud material:\u003c\/strong\u003e 8740 chromoly steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlock-end thread:\u003c\/strong\u003e M12 × 1.25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain-cap layout:\u003c\/strong\u003e Five caps, two fastening positions per cap\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e(10) Main studs\u003c\/li\u003e\n\u003cli\u003e(10) Twelve-point nuts\u003c\/li\u003e\n\u003cli\u003e(10) Washers\u003c\/li\u003e\n\u003cli\u003eARP Ultra-Torque assembly lubricant\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":67659269079349,"sku":null,"price":124.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ARPFastenerHardwareKit_f555b7d8-9079-488a-8d86-e1b83e00cce1.png?v=1792091905","url":"https:\/\/preserverad.com\/products\/arp-main-stud-kit-toyota-20r-22r-22re-22r-te-4runner-pickup","provider":"Preserve Rad","version":"1.0","type":"link"}