Clutch Parts. ProX Clutch components are made by leading O.E. manufacturers from the finest materials. The high quality and well-priced clutch components are chosen by many riders and race teams. ProX stocks clutch parts for almost all Dirtbike, Enduro and ATV models. Clutch dampers / rubbers for use with the ProX Clutch. High-quality clutch rubber dampers. Sold as a set. Note: Replace all rubbers simultaneously.