8HP55 / 8HP65 Stage 2 DIY Kit | Transmission Rebuild Kits

The ATS Stage 2 DIY Transmission Rebuild Kit for the ZF 8HP55 and 8HP65 was engineered for builders looking to increase clutch capacity, improve durability, and support higher horsepower applications while retaining a DIY installation approach.

Designed around performance street, drag racing, and high-power builds, this kit upgrades all clutch packs using ATS billet components, Alto friction materials, upgraded steels, and service components to strengthen the transmission and improve reliability.

Built to continue advancing the ZF8HP platform, this package combines proven components into one complete rebuild solution.

Included Components

C Clutch Components

• ATS 7075 Billet Aluminum C Hub
• Apply Plate
• (10) Alto G3 Clutch Fibers
• (1) Pressure Plate
• (9) ATS Steels

E Clutch Components

• ATS 7075 Billet Aluminum E Hub
• (9) Alto G3 Clutch Fibers
• (10) ATS Steels

A Clutch Components

• (6) Alto Clutch Fibers
• (1) Pressure Plate
• (1) Apply Plate
• (5) ATS Steels

B Clutch Components

• (6) Alto Clutch Fibers
• (1) ATS Apply Plate
• (5) ATS Steels

D Clutch Components

• (6) Alto G3 Clutch Fibers
• (1) ATS Pressure Plate
• (1) Apply Plate
• (5) ATS Steels

Additional Components

• Seal & O-Ring Package
• Deep Stock Style Pan with Filter or Replacement Filter Option

Features & Benefits

✔ ATS 7075 billet C & E hubs
✔ Alto G3 friction upgrades
✔ Upgraded clutch steels throughout transmission
✔ Increased clutch holding capacity
✔ Designed for higher horsepower applications
✔ Complete DIY transmission rebuild package

Ideal for enthusiasts rebuilding or upgrading their ZF 8HP55 or 8HP65 transmission for performance street and racing applications.