HD/Perf Street Sprung Clutch Kit ZX4-HDSS kit features ACT\’s most popular Heavy Duty pressure plate and most popular street disc. 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. ACT\’s Performance Street discs feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs have reduced marcel for faster shift action to complement ACT pressure plates, with increased strength and reliability. Features Torque Capacity (ft/lbs.) -415 Torque Capacity Over OE -47% Disc Material -Organic Friction Surface Diameter (Inches) -9.4 Friction Surface Diameter (mm) -240 Input Shaft Diameter (Inches) -1 Spline Count -23 Disc Type -Sprung Street Disc Pressure Plate Type -Heavy Duty Flywheel Tooth Quantity -112 Flywheel Mounting Hole Quantity -6 Benefits Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle Longer friction life, extended by ACT\’s exclusive diaphragm design Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade Applications 2007-2013 Mazdaspeed 3 2006-2007 Mazdaspeed 6 What\’s In The Box? Perf Street Sprung Disc – 3000206 P/PL Heavy Duty – MZ031 XACT Flywheel Alignment Tool – AT03 Pilot Bearing – PB1030 Release Bearing – RB110 References Installation Manual Warranty 12 MonthWarranty