ACT 2005 Audi S4 HD/Race Sprung 6 Pad Clutch Kit

Kit utilizes spring centered disc designed for use with aftermarket single mass flywheel. Not for use with OE dual mass flywheel. HD/Race Sprung 6 Pad Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle; Moderate friction life, extended by ACT's exclusive diaphragm design; Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance; Recommended for high horsepower street or race use; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability AA2-HDG6 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. ACT's 6-pad, spring-centered race disc features a spring-center to properly damp torsional vibrations and resist failure under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 6-pad, spring-centered race disc, engagement is harsher, but shifting is faster. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat. Fitment: Audi RS4 Base 2007 Audi RS4 Base 2008 Audi RS4 Cabriolet 2008 Audi S4 Avant 2004 Audi S4 Avant 2005 Audi S4 Avant 2006 Audi S4 Avant 2007 Audi S4 Avant 2008 Audi S4 Base 2004 Audi S4 Base 2005 Audi S4 Base 2006 Audi S4 Base 2007 Audi S4 Base 2008 Audi S4 Cabriolet 2004 Audi S4 Cabriolet 2005 Audi S4 Cabriolet 2006 Audi S4 Cabriolet 2007 Audi S4 Cabriolet 2008 Audi S4 Cabriolet 2009