Wossner Piston Yamaha YZ450F 03-04 SIZE_13 ease assembly and provide a

ease assembly and provide a complete ready-to-install driveline

MAXVISION Pinlock prepared (pinlock not included)

Improved grease retention

Interior diameter: 29mm

preventing damage to your ATV

Wossner Piston Yamaha YZ450F 03-04 SIZE_13 ease assembly and provide aWossner 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