PADO301: Dodge/Chrysler/DeSoto/Mopar Flathead Inline-8 to Dodge Ram 8HP70/75/80/90 Automatic Transmission Adapter Kit

*This Kit is Made to Order - Please Contact Us for Details & Availability* Dodge/Chrysler/DeSoto/Mopar Flathead Inline-8 to Dodge Ram 8HP70/75/80/90 Automatic Transmission Adapter Kit Kit includes: Adapter Plate Crank Adapter Hardware ***REQUIRES USE OF A STOCK GEN3 HEMI STARTER AND FLEXPLATE*** KIT OVERVIEW Performance Adapters — Chrysler/Dodge/DeSoto to Dodge Ram 8HP Transmission The ZF 8HP series transmissions are among the best options available for transmission swaps today. Pairing one of these with a classic Chrysler Imperial or New Yorker — whether for street or track use — can completely transform performance and drivability. This adapter system allows you to mate a Chrysler/Dodge/DeSoto engine to a Ram V8–platform ZF 8HP transmission, including the 8HP70, 8HP75, 8HP90, and 8HP95 models. These transmissions deliver lightning-fast shifts and are capable of handling substantial power levels, especially when combined with aftermarket transmission control systems. Technical Overview Compatible Engines: Chrysler 240/261/274/282/299/324/385, Dodge 221/282/299, DeSoto 208/221 Compatible Transmissions: ZF 8HP70 / 8HP75 / 8HP90 / 8HP95 (Dodge/Chrysler V8 applications) Adapter Plate Material: CNC-machined 6061-T6 billet aluminum for strength and dimensional accuracy Crankshaft Interface: Includes precision-machined steel flexplate adapter and pilot converter adapter to ensure proper converter engagement and crankshaft alignment Torque Capacity: Supports power levels exceeding 1000+ HP when used with upgraded 8HP internals and aftermarket control systems Transmission Control: Compatible with popular standalone controllers such as HTG Tuning GCU, Turbo Lamik, and Sound German Automotive (SGA) systems & More Starter Compatibility: A stock Gen3 Hemi starter must be used in the factory location mounted directly to the bellhousing. Input Shaft Alignment: Engineered concentricity within ±0.002” to maintain clutch pack and input shaft longevity Performance Benefits Ultra-fast shifts (as low as 200 milliseconds) with adaptive shift logic Reduced parasitic loss compared to traditional automatics Eight optimized gear ratios for both drag and road course performance Enhanced fuel efficiency at cruising speeds Future-proof control options, supporting paddle shifters and sequential operation modes Applications Ideal for street performance builds, pro-touring projects, modern resto-mods, and drag or track vehicles where maximum acceleration, shift precision, and reliability are desired. Please keep checking our social media outlets for the latest pictures, videos and information about our upcoming product releases. For additional questions, please Call, Text or Email us anytime at 608-640-2328 or Sales@Performanceadapters.com Performance Adapters is not responsible for return shipping. Additional return information can be found in our policy pages. If you have any additional questions, please contact us call, text or email.