Used by most major factory teams and riders Improves clutch performance and life Improves heat dissipation Precision machined from billet T-6 aircraft quality aluminum to aerospace tolerances and Akadized for 5 times the wear resistance to stock (with proper maintenance) Allows clutch assembly to spin more true creating less heat when clutch is disengaged and providing a more positive smooth clutch engagement Helps eliminate clutch chatter 9 Plate Kit This product can be used with Yamaha YFZ450 04-06