ACT Extreme Race Sprung 4 Pad Clutch Kit | 1991 Geo Prizm XT/Race (TC1-XTG4)ACT XT Race Sprung 4 Pad Kit TC1 XTG4 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 4 pad spring centered race disc features