Advanced Clutch MaXX/Race Rigid 4 Pad Kit (HC4-XXR4) PPE_CeramicCoating_3 Designed with 1 5/8" OD

Designed with 1 5/8" OD stepped to 1 3/4" OD primary tubes and a true race merge collector

Comprehensive Kit: Includes all necessary mounting hardware and detailed instructions for installation

These headers are a 4-1 design and feature 1 5/8" runners

Tubing is 4" tapered to 3" and again tapered at the end to 2

BM9-HDR4 kit features ACT's most popular Heavy Duty pressure plate

Advanced Clutch MaXX/Race Rigid 4 Pad Kit (HC4-XXR4) PPE_CeramicCoating_3 Designed with 1 5/8" ODHC4 XXR4 kit features a MaXX pressure plate for the serious enthusiast. ACT MaXX 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