Stage 1 Clutch Kit (SM581) by SPEC®. Does not Include: Flywheel. Clutch Torque Rating: 330 ft/lbs. Features an integrally molded carbon kevlar-based, high performance organic lining that offers smooth engagement and excellent life. This lining has an integrally bonded steel backing for strength under high clamp loads and temperatures. The hub is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Best for street and many track/off-road applications.
- High clamp pressure plate
- Steel-backed and multi-compound woven organic material
- High torque sprung hub and disc assembly
- Bearing and tool kit
SPEC® is recognized as one of the leading manufacturers of transmission parts in the Unites States. Located in Bessemer, Alabama, the company offers best-in-class clutches and flywheels that are built under the strictest tolerances using the most innovative technologies and state-of-the-art materials. From Stage 1 to Stage 5 clutches to Mini Twin and Super Twin clutches, to tuned billet flywheels, SPEC has everything a performance enthusiast may need. Ready to withstand the rigors of racing, SPEC products provide the ultimate in efficiency and reliability along with long service life.