Spec Clutch SP903S Stage 3 Performance Clutch Kit

The Spec Clutch SP903S is a high-performance Stage 3 clutch kit engineered for demanding street and strip applications. Designed for Porsche 996 C2/C4 (2002-2004) and Boxster S (2000-2004) models when used with billet single mass flywheels, this clutch kit delivers exceptional torque capacity up to 580 ft-lbs.

Key Features:

• Carbon semi-metallic puck disc design with sprung hub for superior drivability and torque capacity
• High-clamp pressure plate for aggressive yet streetable engagement
• Double-sprung hub with spring cover reliefs for flexibility and smooth operation
• Heat-treated components throughout for maximum strength and durability
• SFI approved for safety and reliability
• Bearing and tool kit included for complete installation

SPEC Stage 3 clutch kits are recommended for street, drag racing, pulling, and autocross applications where aggressive engagement and high torque capacity are required. This unit is ideal for modified street and race cars that need a performance clutch capable of handling increased power while maintaining streetability. All SPEC clutches are designed, hand-built, and tested in the USA using advanced fabrication processes under strict tolerances.