ACT 2005 Chevrolet Cobalt HD/Race Rigid 4 Pad Clutch Kit - GM11-HDR4 OE Replacement Springs No more of the black

No more of the black hose breaking down in the clutch fluid and turning your fluid black

2L LT4 V8 engine without a tune

High kilometers and heavy load carrying causes excessive wear on rubber bushings

California production facility

ACT 2005 Chevrolet Cobalt HD/Race Rigid 4 Pad Clutch Kit - GM11-HDR4 OE Replacement Springs No more of the blackGM11 HDR4 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty 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 rigid race discs are made with high quality, ceramic friction