OS Giken - TR2B Clutch and Flywheel Kit (E46 M3) (OSG-CK-TR2B-E46M)The TR Clutch series line up was designed for vehicles which have substantial increases in engine power. This clutch is often found in time attack track cars and Pro Am drift vehicles to handle medium to heavy engine tuning as well as the heat built up from these types of racing. The billet aluminum cover provides a more direct clutch pedal feel, but still maintains ease of engagement due to the unique leverage mechanism of the diaphragm spring to