Part #: SF661

Stage 1 Clutch Kits feature 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 comes in either Sprung or Rigid and is application dependant. The double sprung hud features spring cover relieves for flexibility and both hubs use heat treated components for strength and durability. Best for street and many track/off-road applications.