Slipper clutch technology allows the bike to roll through bumps and increases lap times Ultimate hook up and incredible starts Allows clutch assembly to spin truer creating less heat when clutch is disengaged and provides a more positive smooth clutch engagement Improves heat dissipation Precision machined from billet T-6 aircraft quality aluminum to aerospace tolerances, and hard coated for five times the wear resistance to stock (with proper maintenance) Helps eliminate clutch chatter Improves clutch performance and life. CLUTCH KIT 8 PLT BTL W/CU