ACT HD/Perf Street Sprung Clutch Kit | 04-09 Audi S4 / 07-08 RS4

04-09 Audi S4 & 07-08 RS4 HD/Perf Street Sprung Clutch Kit by ACT AA2-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. CT 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 Feel: Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle Life: Longer friction life, extended by ACT's exclusive diaphragm design Quality: Carefully engineered, precise