From strip to street the Diamond Terminator is the ultimate clutch kit Diamond Terminator clutch kits are the best solution for getting horsepower and torque to the ground Diamond Tough billet steel drive hub Two sets of coil springs, light performance yellow and blue performance spring (installed) Kevlar Terminator friction plates with tempered steels Increased friction surface to handle up to 220 horsepower Machined oil grooves to insure zero slippage with 105% more friction area than stock Runs in wet or dry applications Instructions included for easy installation; Note: Not compatible with synthetic fluids.