{"product_id":"autosports-engineering-toyota-supra-mk4-lexus-sc300-sc400-8-8-rear-differential-kit","title":"Autosports Engineering Toyota Supra MK4 Lexus SC300 SC400 8.8 Rear Differential Kit","description":"\u003cp\u003eThis is our bolt in conversion for the MK4 Supra and Lexus SC chassis. This allows you to do a direct bolt-in conversion — no cutting or welding necessary.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits Both Steel and Aluminum Cobra\/Explorer Differentials\u003c\/li\u003e\n\u003cli\u003eDirect Bolt In\u003c\/li\u003e\n\u003cli\u003eFront Support Bracket Included\u003c\/li\u003e\n\u003cli\u003eSolid Bushings Available\u003c\/li\u003e\n\u003cli\u003eBillet 6061 Aluminum\u003c\/li\u003e\n\u003cli\u003eVent port\u003c\/li\u003e\n\u003cli\u003eFill\/Drain Ports\u003c\/li\u003e\n\u003cli\u003e8.8 Diff Builds Can Be Sub'd Final Drives Based on Best Fit Due to Availability \u0026amp; Ratios\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy there are no load bolts\u003c\/h3\u003e\n\u003cp\u003eASE 8.8 housings are built \u003cstrong\u003ewithout load bolts, and that is deliberate\u003c\/strong\u003e. Load bolts are a band-aid for ring gear deflection in a poorly supported case; the correct fix is proper bearing preload and case rigidity. Chromoly main caps are used to hold the carrier bearings in place rather than relying on a bolt pressing on the back of the ring gear.\u003c\/p\u003e\n\u003ch3\u003eFinal drive ratios\u003c\/h3\u003e\n\u003cp\u003eBuilt 8.8 diff orders may be \u003cstrong\u003esubstituted to the closest available final drive\u003c\/strong\u003e based on stock and ratio availability. If a specific ratio is essential to your build, confirm before ordering rather than after.\u003c\/p\u003e\n\u003ch3\u003eDriveshaft\u003c\/h3\u003e\n\u003cp\u003eMoving from the Toyota three-bolt rear diff to a Ford 8.8 changes the pinion flange bolt pattern. You do \u003cstrong\u003enot\u003c\/strong\u003e necessarily need a new driveshaft — ASE's countersunk driveshaft adapter lets you reuse an existing aftermarket shaft by mating it to a 1310 or 1350 U-joint.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why does this 8.8 build not use load bolts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is deliberate. Load bolts compensate for ring gear deflection in a poorly supported case. ASE instead relies on proper bearing preload and case rigidity, using chromoly main caps to hold the carrier bearings rather than a bolt pressing on the back of the ring gear.\"}},{\"@type\":\"Question\",\"name\":\"Is cutting or welding required?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It is a direct bolt-in conversion.\"}},{\"@type\":\"Question\",\"name\":\"Will I get the exact final drive ratio I order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Built 8.8 diff orders may be substituted to the closest available final drive depending on stock and ratio availability. If a specific ratio is essential, confirm before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a new driveshaft when I convert to the 8.8?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not necessarily. The Ford pinion flange bolt pattern differs from the Toyota three-bolt diff, but ASE's countersunk driveshaft adapter lets you reuse an existing aftermarket shaft by mating it to a 1310 or 1350 U-joint.\"}},{\"@type\":\"Question\",\"name\":\"Which differentials does it accept?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Both steel and aluminum Cobra and Explorer Ford 8.8 differentials.\"}},{\"@type\":\"Question\",\"name\":\"Which vehicles does this fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Toyota Supra MK4 and Lexus SC300 and SC400.\"}}]}\u003c\/script\u003e","brand":"Autosports engineering","offers":[{"title":"Diff Kit ONLY","offer_id":49986223472789,"sku":"12052","price":799.99,"currency_code":"USD","in_stock":true},{"title":"Kit \u0026 DSS PRO Axles","offer_id":49986223505557,"sku":"12053","price":4325.0,"currency_code":"USD","in_stock":true},{"title":"Kit Axles \u0026 Built Rear End","offer_id":49986223538325,"sku":"12054","price":6100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0792\/4544\/3221\/files\/DSC00830-scaled.jpg?v=1790290385","url":"https:\/\/krmotorsportsonline.com\/products\/autosports-engineering-toyota-supra-mk4-lexus-sc300-sc400-8-8-rear-differential-kit","provider":"KR Motorsports","version":"1.0","type":"link"}