Advanced Clutch HD/Race Rigid 4 Pad Kit (NS1-HDR4) PPE_CeramicCoating_4 ACT's Performance street discs are

ACT's Performance street discs are the most popular disc purchased

MS1-XTSS kit features an Xtreme pressure plate for the most demanding driver

AR2-XTR6 kit features an Xtreme pressure plate for the most demanding driver

The PPE ISF Headers make a significant increase in flow compared to the stock manifolds

The headers are made of 100% 304 stainless steel

Advanced Clutch HD/Race Rigid 4 Pad Kit (NS1-HDR4) PPE_CeramicCoating_4 ACT's Performance street discs areNS1 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