Innovative clutch disk technology allows Rekluse to put more disks into the clutch pack, which means you get more torque transferred to the rear wheelsTorqDrive® provides a friction disk pack for both R and SS (five additional friction disks over stock); more frictions = more torque capacity, thus unlocking the full power of your engineFor added tuning and performance, a coil spring pressure plate is included along with two sets of springs to upgrade the clutch from the stock diaphragm springThe TorqDrive® clutch pack, coupled with the coil spring conversion pressure plate, provides a significant step up in performance delivering improved throttle control and more positive clutch engagement and driveTwo sets of springs includedImproved pedal modulation range for R modelsDesigned to withstand highly modified motorsRekluse sleeves eliminate basket wear and notchingMade in the U.S.A