2001-2006 BMW M3 and 2001-2003 BMW Z3 Stage 2 Sprung Ceramic Clutch Kit with Flywheel XClutch Stage 2 ceramic upgrades have been designed for applications requiring a higher heat capacity over the single plate organic range. The stage 2 range includes both sprung/cushioned ceramic and sprung ceramic friction disc options. The sprung/cushioned friction disc options are recommended for applications requiring more pedal modulation such as high-performance street vehicles, while the sprung ceramic kits are recommended for motorsport applications. Features Alignment Tool Included: Yes Clamping Force % Increase: 15 Clutch Disc Diameter: 9.448 in. Disc Material: Ceramic Disc Type Sprung Solid: Sprung Flywheel Bolts Included: Yes Flywheel Included: Single Mass Flywheel Included: Single Mass Flywheel Step: -0.150 Friction Surface Configuration: Recessed Input Shaft Diameter: 1 3/8 in. Input Spline Quantity: 10 Maximum Torque: 700 lb Pilot Bushing Included: Yes Pressure Plate Bolts Included: Yes Recommended Use: Track Use Release Bearing Included: Yes Spline Grease Included: Yes Benefits Improved Clutch Performance and Feel Applications 2001-2006 BMW M3 2001-2003 BMW Z3 What\’s In The Box? 1 – Stage 2 Sprung Ceramic Clutch Kit with Flywheel Warranty XClutch offers a limited 12-month/12,000 mile warranty on this product