Exedy Cerametallic Stage 4/5 Twin SD Clutch Kit | 2002-2005 Subaru WRX (FM012SD)2002 2005 Subaru WRX Cerametallic Stage 4 5 Twin SD Clutch Kit by Exedy For high powered applications, EXEDY offers twin and triple Multi Plate clutches. These are designed for high power street action as well as drag, road, and rally racing. The twin plate clutches are rated for approximately 500 ft lbs of torque and the triple plates are rated for approximately 800 ft lbs of torque, both figures at the flywheel. Twins come with both spring damper