Advanced Clutch HD/Race Rigid 4 Pad Kit (MB4-HDR4) PPE_CeramicCoating_4 Performance Gains: Expect noticeable improvements

Performance Gains: Expect noticeable improvements in horsepower and torque

It is 100% made in house in Arizona

Bolts up to our K Series high-flow cat

HA3-SPSS kit features a Sport pressure plate for a nice upgrade

Advanced Clutch HD/Race Rigid 4 Pad Kit (MB4-HDR4) PPE_CeramicCoating_4 Performance Gains: Expect noticeable improvementsMB4 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