Spec Clutch SP643S Stage 3 Performance Clutch Kit

The Spec Clutch SP643S Stage 3 Performance Clutch Kit is engineered for high-performance street and strip applications requiring aggressive engagement and exceptional torque capacity. This kit features a carbon semi-metallic puck design that delivers outstanding drivability, durability, and power handling capabilities.

Key Features:

• Carbon semi-metallic 4 or 6 puck sprung hub disc design
• Torque capacity up to 583 ft-lbs
• High-clamp pressure plate for superior holding power
• Double sprung hub with spring cover reliefs for flexibility
• Heat-treated components for strength and durability
• SFI approved for racing applications
• Designed for use with billet single mass flywheels

Performance Applications:

The Stage 3 clutch is ideal for heavily modified vehicles used in street driving, drag racing, road racing, drifting, autocross, and pulling competitions. This unit provides an aggressive but streetable engagement, making it suitable for enthusiasts who demand high torque capacity without sacrificing everyday drivability.

What's Included:

Complete clutch kit includes high-clamp pressure plate, friction disc, throwout bearing, pilot bearing, and alignment tool. Professional installation recommended for optimal performance and longevity.