Spool Performance - 8HP70, 8HP75, 8HP76 Stage 2 Upgraded Transmission DIY Parts Kit

Spool Performance Stage 2 Transmission Kits for 8HP70 / 8HP75 / 8HP76

Overbuilt for Power. Engineered for Reliability.

After over a year of development and real-world torture testing, Spool Performance proudly introduces the Stage 2 Transmission Kit for ZF 8HP70, 8HP75, and 8HP76 transmissions. Designed to exceed OEM torque limits and solve known factory weaknesses, this kit delivers support for over 1200 ft-lbs of torque—perfect for high-horsepower street or track builds.

🧩 What Makes This Kit Exceptional

1. Billet 7075 C & E Hubs

• Replaces weak OEM A380 cast aluminum hubs

• CNC-machined from 7075 billet aluminum

• Heat-treated and hard-anodized for extreme strength and spline wear resistance

• Solves common failure modes like hub shearing and clutch plate hang-up

2. Advanced In-House FX-RT Friction Materials

• Proprietary high-coefficient frictions developed by Spool Performance

• Deliver greater holding power and heat resistance vs. OEM

• Tested across multiple platforms for durability and smooth engagement

3. Optimized Clutch Pack Design

• Increased clutch counts in every section for better torque handling

• Custom pressure and apply plates improve engagement and oil flow

• Pre-clearanced clutch packs mean no guesswork during install

• Bonus steel plates included for tuners preferring custom setups

📦 What’s Included

• ✅ 7075 Billet C Hub

• ✅ 7075 Billet E Hub

• ✅ E Hub Center Bushing

• ✅ A, B, C, D, E Clutch Friction & Steel Sets

• ✅ A, B, C, D, E Pressure & Apply Plates

• ✅ Complete Seal Kit (Gaskets & O-rings)

• ✅ Extra Steels for Custom Tuning

🔧 Installation Made Easy

No need to measure or modify – all components come pre-clearanced and engineered for a drop-in installation, saving hours in the rebuild process.

🚘 Vehicle Compatibility

• ZF 8HP70, 8HP75, and 8HP76 transmissions

• Ideal for BMW, Dodge, Jeep, Ram, Audi, and other 8HP-equipped vehicles pushing serious power

🛠️ Built for Builders. Trusted by Tuners.

Whether you're chasing big numbers or building a bulletproof daily, the Spool Performance Stage 2 Kit brings unmatched durability and performance to your ZF transmission.

Ready for 1200+ ft-lbs. Ready for your build.