Aluminum Plate for MSC Clutch - rear is machined from premium Swiss 7075 T6 as well as hardened sufficient reason behind a black colored colored last area therapy. This lightweight slipper clutch dish has machined relief areas which decrease the friction surface to help with clutch slide adjustment. With all the current completely new dish, the force associated with dish is in the circumference of clutch pads, which increases effectiveness. Fits XB4'20-21