ACT 4 Pad Sprung Race Disc - 4224226 .060" HC4-HDR4 kit features ACT's most

HC4-HDR4 kit features ACT's most popular Heavy Duty pressure plate

5 thread pitches

ACT’s 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even under harsh conditions

Years of experience have taught the engineers at ACUITY that there are many elements to a refined

AR2-XTG4 kit features an Xtreme pressure plate for the most demanding driver

ACT 4 Pad Sprung Race Disc - 4224226 .060" HC4-HDR4 kit features ACT's most4224226 is a 4 pad spring centered race disc made with high quality, ceramic friction materials. The engagement is harsher, but shifting is faster. The heavy duty torsional dampening springs are stronger, in most cases, than standard springs and are provided in the best sizes and spring rates to suit the application. The race disc features a heat treated spring steel drive plate and is well suited for the smaller disc sizes in smaller engines.