Advanced Clutch HD/Race Sprung 4 Pad Kit (MB4-HDG4) PPE_CeramicCoating_1 heat treating process performed on

heat treating process performed on all diaphragms

and emissions compliance

Part Type:Headers & Manifolds

It is 100% made in house in Arizona

Muffled X-Pipe Design: Integrates a muffled X-pipe to balance exhaust pulses

Advanced Clutch HD/Race Sprung 4 Pad Kit (MB4-HDG4) PPE_CeramicCoating_1 heat treating process performed onMB4 HDG4 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 spring centered race disc features a spring center to properly damp