Spec Clutch SF663 Stage 3 Performance Clutch Kit

The Spec Clutch SF663 Stage 3 Clutch Kit is engineered for heavily modified street and race engines that demand serious torque capacity without sacrificing daily drivability. Delivering a comfortable pedal feel with quick, confident engagement, the Stage 3 is a go-to upgrade for drivers who push their vehicles hard across a wide range of conditions.

Key Features:

• High-clamp pressure plate for increased clamping force and torque handling
• Carbon semi-metallic friction material — available in 4-puck or 6-puck configuration (6-puck is standard on most applications; 4-puck available upon request)
• Sprung hub disc assembly with high-torque capacity for smooth power transfer
• Bearing and installation tool kit included for a complete, ready-to-install package
• Excellent wear characteristics under both low and high stress operating conditions

Intended Driving Styles:

• Street & Daily Driving
• Drag Racing
• Drifting
• Road Racing
• Rallye
• Pulling
• Autocross

The Spec SF663 Stage 3 kit strikes the ideal balance between aggressive performance and street-friendly engagement, making it one of the most versatile performance clutch upgrades available for modified vehicles.