Spec Clutch SF144 Stage 4 Performance Clutch Kit

The Spec Clutch SF144 Stage 4 Clutch Kit is engineered for heavily modified, high-performance engines where maximum torque capacity, instantaneous engagement, and reduced rotating mass are the top priorities. Designed for serious motorsport applications, this kit delivers the aggressive engagement characteristics demanded by competitive drivers on the track.

Key Features:

• High-clamp pressure plate for maximum clamping force and torque transfer
• Carbon semi-metallic friction disc available in 3, 4, or 6-puck configurations — choose 3-puck for the lightest weight or 6-puck for the smoothest puck-clutch engagement
• Solid 8-rivet rigid hub — a solid hub version of the Stage 3, upgraded for higher torque demands
• Heat-treated carrier assembly for superior strength and long-term durability under extreme conditions
• Complete kit includes pressure plate, puck disc, rigid hub and carrier assembly, release bearing, and installation tool

Intended Use: Drag Racing, Drifting, Road Racing, Rallye, Pulling, Circle Track

Note: The Stage 4's rigid hub design provides instantaneous, harsh engagement. This clutch is not recommended for street or daily driving use. It is intended exclusively for race and competition applications.