ACT 2004 Mazda RX-8 HD/Race Sprung 4 Pad Clutch Kit

Flywheel requires counterweight (flywheel and counterweight sold seperatly or with flywheel kit). Must use ACT counterweight with ACT flywheel. HD/Race Sprung 4 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 ZM8-HDG4 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 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even 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 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT's 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines. Fitment 2004 Mazda RX-8 Base 2005 Mazda RX-8 Base 2005 Mazda RX-8 Shinka 2006 Mazda RX-8 Base 2007 Mazda RX-8 Base 2008 Mazda RX-8 40th Anniversary Edition 2008 Mazda RX-8 Grand Touring 2008 Mazda RX-8 Sport 2008 Mazda RX-8 Touring 2009 Mazda RX-8 Grand Touring 2009 Mazda RX-8 R3 2009 Mazda RX-8 Sport 2009 Mazda RX-8 Touring 2010 Mazda RX-8 Grand Touring 2010 Mazda RX-8 R3 2010 Mazda RX-8 Sport 2011 Mazda RX-8 Grand Touring 2011 Mazda RX-8 R3 2011 Mazda RX-8 Sport