Spec Clutch SD143-6 Stage 3 Performance Clutch Kit

The Spec Clutch SD143-6 is a Stage 3 performance clutch kit engineered for street and strip applications that demand aggressive engagement with high torque capacity. This clutch kit features a carbon semi-metallic 6-puck sprung hub disc design that delivers exceptional drivability, extended service life, and superior torque handling capabilities.

Key Features:

• Carbon semi-metallic 6-puck sprung hub disc for optimal friction and durability
• High clamp pressure plate for increased holding power
• Double sprung hub with spring cover relieves for flexibility and smooth engagement
• Heat-treated components throughout for maximum strength and durability
• Torque capacity up to 405 ft-lbs
• SFI approved for safety and performance
• Aggressive but streetable engagement characteristics

Ideal for street performance, drag racing, autocross, road racing, and pulling applications. The SD143-6 provides the perfect balance between street drivability and race-ready performance, making it an excellent choice for enthusiasts who demand both daily usability and track capability. This Stage 3 clutch kit includes everything needed for installation and delivers the responsive engagement and high torque capacity required for modified high-performance vehicles.