Clutch Masters is proud to introduce the finest and most economical multi-plate clutch systems available for todayââ¬â¢s high performance vehicles, the 725 and 850 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 increasing the clamping force of the pressure plate and adding to the square inches of usable disc area, CM Twin Discs significantly increase clamping values with only a ...