Clutch Masters FX725 Series Race Twin Plate Clutch Kit (DSM)This clutch kit is designed for race use only. Be advised if driven on the street, this clutch will chatter! The clutch kit is a dual diaphragm, twin plate setups that will increase pedal pressure! The clutches ability to feel aggressive and respond with positive engagement comes from a compressed ceramic bronze material increasing its holding capabilities over the FX600. This clutch will feel heavy inside the car because the pressure plate is heavy