{"product_id":"2jz-1jz-to-dodge-ram-truck-8hp70-8hp90-conversion-kit-ase","title":"2JZ 1JZ to Dodge Ram Truck 8HP70 8HP90 Conversion Kit | ASE","description":"\u003cp\u003eThis is a complete conversion kit for your JZ engine utilizing a Truck 8HP from Dodge\/Ram Pickup. Kit comprised of Billet Convertor Adapter plate, Billet Flex Plate to replace weak steel OEM JZ flex plate and a billet engine to transmission adapter plate.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBillet 6061 Components\u003c\/li\u003e\n\u003cli\u003eBillet TQ Convertor Flex Plate\u003c\/li\u003e\n\u003cli\u003eBillet Motor Adapter Plate\u003c\/li\u003e\n\u003cli\u003eComplete Hardware Kit\u003c\/li\u003e\n\u003cli\u003ePilot Spud adapter\u003c\/li\u003e\n\u003cli\u003eHardened Steel Starter Ring Gear\u003c\/li\u003e\n\u003cli\u003ePrecision Dowel Pin Holes for Proper Alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTruck platform, not car\u003c\/h3\u003e\n\u003cp\u003eThis listing is for \u003cstrong\u003eDodge\/Ram truck-spec\u003c\/strong\u003e 8HP70, 8HP75, 8HP90 and 8HP95 transmissions. Mopar \u003cstrong\u003ecar-platform\u003c\/strong\u003e 8HP units use a different kit, listed separately. The truck output flange is also a different bolt pattern from the car unit, so check the matching driveshaft adapter too.\u003c\/p\u003e\n\u003ch3\u003eConverter centering sleeve\u003c\/h3\u003e\n\u003cp\u003eThe billet flex plate uses an \u003cstrong\u003eadapter sleeve\u003c\/strong\u003e that drops into the center bore to reduce it, so one kit covers both Dodge converter diameters found across second and third generation transmissions. Remove the sleeve for the larger spud and the same plate handles it.\u003c\/p\u003e\n\u003cp\u003eTwo threaded holes accept 8-32 socket head bolts if you want the sleeve positively retained. The sleeve sits on a machined lip that keeps it elevated off the full surface, with three relief points — so if it ever seizes after heat and load cycling, a punch or screwdriver taps it straight back out.\u003c\/p\u003e\n\u003ch3\u003eIs the 8HP45 supported?\u003c\/h3\u003e\n\u003cp\u003eThe older \u003cstrong\u003eDodge 8HP45 is not supported\u003c\/strong\u003e. (The \u003cem\u003eJaguar\u003c\/em\u003e 8HP45 is a different transmission and is covered by ASE's Jaguar kit.)\u003c\/p\u003e\n\u003ch3\u003eYou will also need a TCU\u003c\/h3\u003e\n\u003cp\u003eThis kit is the \u003cstrong\u003emechanical\u003c\/strong\u003e adapter only. The 8HP will not shift without a standalone transmission controller, purchased separately.\u003c\/p\u003e\n\u003ch3\u003eWatch the full 8HP range overview\u003c\/h3\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin-bottom:1.5rem;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/O6mJEVMoxDs\" title=\"Everything You Need to Know About An 8HP Swap Kit\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/zf-8hp-swap-kits-complete-guide\"\u003eRead the complete 8HP swap kit guide →\u003c\/a\u003e\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which transmissions does this kit support?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dodge and Ram truck-spec 8HP70, 8HP75, 8HP90 and 8HP95.\"}},{\"@type\":\"Question\",\"name\":\"Is the Dodge 8HP45 supported?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The older Dodge 8HP45 is not supported. The Jaguar 8HP45 is a different transmission and is covered by ASE's Jaguar kit.\"}},{\"@type\":\"Question\",\"name\":\"Is this the same as the Mopar car kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Mopar car-platform 8HP units use a different kit which is listed separately. The truck output flange is also a different bolt pattern, so the driveshaft adapter differs too.\"}},{\"@type\":\"Question\",\"name\":\"How does one kit cover both Dodge converter diameters?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"An adapter sleeve drops into the center bore of the billet flex plate to reduce it, covering the smaller converter spud found across second and third generation Dodge transmissions. Remove the sleeve and the same plate accepts the larger spud. Two threaded holes accept 8-32 socket head bolts for positive retention, and the sleeve sits on a machined lip with three relief points so a punch can tap it back out if it ever seizes.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a transmission controller as well?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. This is the mechanical adapter only. A standalone TCU is required and purchased separately.\"}},{\"@type\":\"Question\",\"name\":\"What is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Billet torque converter flex plate, billet motor adapter plate, pilot spud adapter, hardened steel starter ring gear and complete hardware, with precision dowel pin holes for alignment.\"}}]}\u003c\/script\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"VideoObject\",\"name\":\"Everything You Need to Know About An 8HP Swap Kit\",\"description\":\"Autosports Engineering overview of the ZF 8HP conversion kit range — which transmission variants are covered across BMW, Dodge, Jaguar and EcoDiesel, which engines are supported, billet flex plates with integrated starter ring gears, hex-drive stainless dowel pins, converter centering sleeves and engraved torque specifications.\",\"thumbnailUrl\":\"https:\/\/i.ytimg.com\/vi\/O6mJEVMoxDs\/maxresdefault.jpg\",\"uploadDate\":\"2026-10-05T02:00:07Z\",\"duration\":\"PT17M14S\",\"embedUrl\":\"https:\/\/www.youtube.com\/embed\/O6mJEVMoxDs\",\"contentUrl\":\"https:\/\/www.youtube.com\/watch?v=O6mJEVMoxDs\",\"publisher\":{\"@type\":\"Organization\",\"name\":\"Autosports Engineering\"}}\u003c\/script\u003e","brand":"Autosports engineering","offers":[{"title":"Default Title","offer_id":68178052153640,"sku":"81003","price":1099.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/iwujiperformance.com\/products\/2jz-1jz-to-dodge-ram-truck-8hp70-8hp90-conversion-kit-ase","provider":"Iwuji Performance","version":"1.0","type":"link"}