ACT HD/Perf Street Sprung Clutch Kit | 1971-1974 Pontiac Firebird

1971-1974 Pontiac Firebird HD/Perf Street Sprung Clutch Kit by ACT GM8-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 Product Weight (lbs.): 21.6 Torque Capacity (ft/lbs.): 629 Torque Capacity Over OE: 32% Disc Material: Organice Clutch Disc Diameter (Inches): 10.5 Clutch Disc Diameter (Millimeters): 266 Input Shaft Diameter (inches): 1.125 Pressure Plate Type: Heavy Duty Benefits Light to moderate pedal effort Smooth positive engagement OE to mild gear rattle Longer friction life Heat tolerance and reduced fade 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability Applications 1971-1974 Pontiac Firebird What's In The Box? 1 - ACT HD/Perf Street Sprung Clutch Kit Warranty ACT 1-Year Limited Warranty