Wossner Piston Yamaha YZ450F 03-04 / WR450F 03-11 (Pro) (Hi-Comp) size:Piston B (+0.01mm) (M) (US40/EU50)

(M) (US40/EU50)

Zipped chest pockets

interlocking cells of uniform size

ALWAYS START WITH A FULLY CHARGED BATTERY

Wossner Piston Yamaha YZ450F 03-04 / WR450F 03-11 (Pro) (Hi-Comp) size:Piston B (+0.01mm) (M) (US40/EU50)Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service. Features In house designed and manufactured; all forgings are produced in Wossner's company owned forging operation 4 stroke pistons are made using a double bridged forging design