ACT Twin Disc Maxx Xt Race Kit

Heavy to very heavy pedal effort, aggressive engagement, mild to moderate gear rattle; Disc surfaces doubled for better wear, heat capacity and longer life, further 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 race use only; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability