Stage 1 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. Stage 1 is suggested for OEM replacement, daily driven or lightly modified Mini Coopers. Torque capacity is rated at 235ft/lbs at the crank.