EBC Srk85 Race/Sport Aramid Sport Series Clutch Kit Features SRK complete clutch kits include Kevlar fiber lined friction plates, steel separator plates and springs to provide a street-going kit for high performance street and road race use, similar to the DRC program for off road Diaphragm-style springs used in kits for bikes with OEM diaphragm clutch springs These EBC SRK Clutch kits are designed to withstand the rigors of hard street and racetrack use