EVR CTS (Constant Torque System) Wet Slipper Clutch Yamaha YZF-R6

The EVR slipper clutch is simply the BEST slipper clutch out there. It will help eliminate rear-wheel chatter and reduce chassis instability during aggressive downshifting. Slipper clutches reduce the engine-braking effect the makes the rear wheel hop around under heavy downshifting.
 
Patented technology that only moves the cover, not the drum reducing friction, wear, and rotating weight
Saves pounds of rotating weight, allowing your bike to rev faster!
Stops rear wheel hop under heavy braking for corner entry
Greatly reduces stress on your chain, increasing its life, and preventing catastrophic failures
Suitable for Racing, Track, and Street riding
Highly effective engine to clutch-to-rear wheel power management system decreases unwanted engine braking and rear wheel drag when braking hard for a corner
Prevents damage to the engine and gearbox by reducing the mechanical stress caused by the back-torque of the engine and avoiding any chance of over-revving
Provides better clutch feel and smoother action
Uses original friction plates, drive plates, and basket or the Billet basket also from EVR