The Core Manual TorqDrive clutch delivers unprecedented performance, tuning and durability. TorqDrive provides more disks in less space, allowing up to four additional friction disks over stock. More frictions = more torque capacity, thus unlocking the full power of your engine without the need to add stiffer pressure plate springs. Provides more consistent clutch lever feel and behavior. Can be set up to maintain a stock, or lighter than stock, lever pull depending on engine tuning. Rekluse sleeves eliminate basket wear and notching. Proven in racing at the highest levels. Made in the u. s. a.