Upgrade your ZF 8HP55 or 8HP65 transmission with the Applied Torque Solutions Stage 1 DIY Transmission Rebuild Kit. Designed for performance street cars, high horsepower applications, and enthusiasts looking to strengthen their transmission at home, this kit includes upgraded clutch components, billet hard parts, steels, seals, and filtration components needed to refresh and improve your 8HP build.
 
Built around proven Alto friction materials and ATS upgraded components, this kit addresses common wear areas while increasing clutch capacity and durability for demanding applications.
 
Engineered for DIY builders and transmission shops alike, the ATS Stage 1 Kit delivers upgraded internals designed to support performance-oriented 8HP55 and 8HP65 builds while maintaining OE-style fitment.
 
Ideal for:
 
✔ Performance street builds
✔ Drag racing applications
✔ Transmission refreshes and rebuilds
✔ High horsepower setups
✔ DIY transmission builders