The ACT HD/Performance street rigid-hub clutch kit for the 2005 Audi S4 combines ACT's Heavy Duty pressure plate with a performance street rigid disc to offer race-proven behavior with street manageability. The diaphragm pressure plate uses a four-stage heat treatment, precision cover stampings and increased clamp load to reduce deflection. The organic, high-copper street disc with a heat-treated chrome-moly hub provides improved heat transfer and burst strength, while rivet design and materials are selected for strength. Backed by a one-year warranty.
ACT 2005 Audi S4 HD/Perf Street Rigid Clutch Kit