Clutch Masters FX725 Twin-Disc Race Clutch | Chevy Cobalt 05-06 (04900-TD7R-AH)Twin Disc Race Clutch Kit w Aluminum Flywheel by Clutch Masters Clutch Masters introduces the finest and most economical multi plate clutch systems available for today s high performance vehicles, the 725 Series. Clutch Masters Twin Disc systems are pure racing technology that also works well in high performance street applications. They are designed to hold tremendous horsepower and torque ratings, while retaining a very smooth operation. By slightly