BM14-XTR6 kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme 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 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 6-pad rigid race disc, engagement is harsher, but shifting is faster. The 6-pad rigid race disc is recommended for larger clutch sizes to absorb more heat.. Moderate to heavy 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. "Excellence in Performance", backed by the best one-year warranty in the industry!. ACT 07-16 BMW 135/335/535/435/Z4 XT/Race Rigid 6 Pad Clutch Kit. ACT Extreme Race Rigid 6 Pad Clutch Kit. ACT XT/Race Rigid 6 Pad Clutch Kit. ACT XT/Race Rigid 6 Pad Kit. Transmission Clutch Kit. XT/Race Rigid 6 Pad. Clutch Kit

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