2008-2010 BMW 135i Twin-Disc Solid Ceramic Clutch Kit with Flywheel by XClutch The XClutch Motorsport range has been developed and refined over many years of experience with motorsport teams from around the world. XClutch supply some of the world\’s leading drift teams including multiple national champions in Europe and also supply national level teams in circuit racing, rally and time attack. Available in 7.25\”, 8.0\” and 9.0\” varieties with single, twin, triple and quad disc options, XClutch motorsport upgrades are designed and tested to offer the ultimate solution for your race car. Features Alignment Tool Included: Yes Clamping Force % Increase: N/A Clutch Disc Diameter: 9.055 in. Disc Material: Ceramic Disc Type Sprung Solid: Solid Flywheel Bolts Included: Yes Flywheel Included: Yes Flywheel Step: +0.150 Friction Surface Configuration: Raised Input Shaft Diameter: 1 3/8 in. Input Spline Quantity: 26 Maximum Torque: 1350 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 2008-2010 BMW 135i What\’s In The Box? 1 – Twin-Disc Solid Ceramic Clutch Kit with Flywheel Warranty XClutch offers a limited 12 month/12,000 mile warranty on their products