Spec Clutch ST625 Stage 5 Clutch Kit

The Spec ST625 Stage 5 Clutch Kit is engineered for the most demanding high-performance applications, including heavily modified drag race engines and vehicle pulling competitions. This race-grade clutch system is also well-suited for applications requiring a slipper clutch or progressive torque-induced engagement, delivering the controlled, staged power transfer needed at extreme performance levels.

Due to the aggressive nature of Stage 5 clutch technology, this kit is ideally ordered as a custom-configured unit. Spec recommends consulting with a Spec technical representative prior to ordering to ensure the correct setup for your specific vehicle, engine build, and intended use. This clutch is not suitable for street use due to its harsh, abrupt engagement characteristics.

Kit Includes:

• High clamp load pressure plate (adjustability available on select applications)
• Rigid iron disc assembly
• Release bearing
• Installation tool kit

Key Features:

• Designed for extreme drag race and vehicle pulling applications
• Supports slipper clutch and progressive torque-induced engagement setups
• High clamp pressure plate for maximum clamping force
• Rigid iron disc construction for durability under extreme load
• Custom configuration available for specialized builds

Intended Use: Drag Racing, Vehicle Pulling