Xtreme Performance - 230mm Carbon Twin Plate Clutch Kit Incl Flywheel 1670Nm KGM23530-2P2P The Xtreme 230mm Race Clutch is the ultimate in clutch solutions with a range like no other. The 230mm range boasts a variety of kits to suit most high horsepower applications for street, circuit, drift or race use. The Xtreme 230mm Race Clutch has been designed, allowing for endless options with clutch operation with internal hydraulic options and pull push conversions a factoring feature in the 230mm range. Flat Diaphragm Rolled Diaphragm