EBC 08-12 Honda CBR 1000 RR Fireblade (Diaphragm Spring 1000cc) SRK Aramid Sportbike Race Clutch KitSRK complete kits include aramid fiber lined friction plates, steel separator plates and springs to provide a street going kit for high performance street and road race use much similar to the DRC program for off road. Some of the kits will feature new diaphragm springs as used in many larger bikes to provide a complete clutch rebuild kit for every sportbike possible.