The best manual clutch available, period. Core Manual TorqDrive delivers unprecedented performance, tuning and durability. TorqDrive provides more disks in less space, allowing us to add up to 4 additional frictions 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. �Proven in racing at the highest levels, it�s not just good, it�s rEvolutionary.