ACT Heavy Duty Performance Street Rigid Clutch Kit BMW 128i (08 13) (BM15 HDSD). HD Perf Street Rigid Clutch Kit by ACT BM15 HDSD kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four stage, heat treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. The ACT performance street rigid hub discs feature premium organic materials with high copper content for better heat transfer and steel backed lining for greater burst strength and durability. The chrome moly hub is heat treated for strength and durability. Rivet design and materials are carefully selected for maximum strength. These discs are the minimum weight street disc for faster shifts. ACT's street rigid hub discs provide race proven performance with street manageability. Features Product Weight (lbs.): 13. 9 Torque Capacity (ft lbs.): 465 Torque Capacity Over OE: 52% Disc Material: Organic Clutch Disc Diameter (Inches): 9. 4 Clutch Disc Diameter (Millimeters): 240 Input Shaft Diameter (inches): 1. 125 Pressure Plate Type: Heavy Duty Benefits Light to moderate pedal effort Smooth positive engagement, Increased gear rattle Longer friction life Rigid design may increase spline wear Carefully engineered for improved durability High heat tolerance and reduced fade 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability Applications 2008 2013 BMW 128i 2006 2006 BMW 330xi 2006 2006 BMW 325i 2006 2006 BMW 325xi 2006 2006 BMW 330i 2009 2013 BMW 328i xDrive 2008 2010 BMW 528i 2006 2011 BMW Z4 2007 2010 BMW X3 2006 2007 BMW 530i 2008 2008 BMW 528xi 2007 2013 BMW 328i 2007 2008 BMW 328xi 2006 2007 BMW 525i 2006 2007 BMW 530xi 2006 2007 BMW 525xi What's In The Box? 1 ACT HD Perf Street Rigid Clutch Kit Warranty ACT 1 Year Limited Warranty