ACT BM17-HDG4 Heavy Duty Race Sprung Pad Clutch Kit - 4

The ACT BM17-HDG4 Heavy Duty Race Sprung 4 Pad Clutch Kit is engineered for high horsepower street and race applications demanding maximum performance and heat tolerance. This complete clutch kit combines ACT's Heavy Duty pressure plate with an aggressive 4-pad spring-centered race disc for superior clamping force and rapid shifting capability.

Heavy Duty Pressure Plate Technology:

• Exclusive diaphragm design increases clamp load while reducing deflection to maximize clutch life
• Four-stage heat-treating process ensures unparalleled durability under extreme conditions
• Precision cover stampings provide structural rigidity and consistent performance
• 100% clamp load tested for reliability

4-Pad Spring-Centered Race Disc:

• Select ceramic friction materials deliver high heat tolerance for racing applications
• Spring-centered design properly damps torsional vibrations for quieter operation
• Wraparound spring windows and thicker retainer stampings reduce stress concentrations and increase strength
• Four-pad configuration enables aggressive engagement and faster shifting
• Optimized for smaller disc sizes in smaller engine applications

Performance Characteristics:

• Light to moderate pedal effort with aggressive engagement
• OE to mild gear rattle during operation
• Moderate friction life, extended by ACT's diaphragm technology
• Dynamically computer balanced for smooth high-RPM reliability

This clutch kit is recommended for enthusiasts seeking race-level performance with street drivability. The aggressive 4-pad design provides the clamping force and heat capacity needed for modified engines while maintaining reasonable pedal effort.