ACT Perf Street Sprung Disc - 3000504 Universal SB5-HDR4 kit features ACT's most

SB5-HDR4 kit features ACT's most popular Heavy Duty pressure plate

The pump features a relief valve that will open up if pressures are too high

ZX2-XTG4 kit features an Xtreme pressure plate for the most demanding driver

but in a common 52mm size for easy mounting

60 degree tapered seat offers better contact on the wheel and the top is knurled for easier installation

ACT Perf Street Sprung Disc - 3000504 Universal SB5-HDR4 kit features ACT's most3000504 is a performance street disc and the most popular disc purchased. It features premium organic materials with high copper content for better heat transfer. Performance street discs allow for quicker shifting and smooth engagement. These discs feature a reduced marcel for faster shift action to complement ACT pressure plates. ACT spring centered assemblies use bushings and cone springs similar to factory clutch discs. This creates frictional