ACT 2004 Mazda RX-8 HD/Race Rigid 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 Rigid 4 Pad Light to moderate pedal effort, aggressive engagement, increased gear rattle; Moderate friction life, extended by ACT's exclusive diaphragm design, rigid design may increase spline wear; Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance; Recommended for race use only; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability ZM8-HDR4 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 rigid race discs are made with high quality, ceramic friction materials. The chrome-moly hub is heat-treated for strength and durability. The lightweight, rigid design allows for quicker shifts and smooth, trouble-free service. With the 4-pad rigid race disc, engagement is harsher, but shifting is faster. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines. Fitment: Mazda RX-8 40th Anniversary Edition 2008 Mazda RX-8 Base 2004 Mazda RX-8 Base 2005 Mazda RX-8 Base 2006 Mazda RX-8 Base 2007 Mazda RX-8 Grand Touring 2008 Mazda RX-8 Grand Touring 2009 Mazda RX-8 Grand Touring 2010 Mazda RX-8 Grand Touring 2011 Mazda RX-8 R3 2009 Mazda RX-8 R3 2010 Mazda RX-8 R3 2011 Mazda RX-8 Shinka 2005 Mazda RX-8 Sport 2008 Mazda RX-8 Sport 2009 Mazda RX-8 Sport 2010 Mazda RX-8 Sport 2011 Mazda RX-8 Touring 2008 Mazda RX-8 Touring 2009