Wossner Piston Yamaha YZ450F 10-13 size:Piston B (+0.01mm) Featuring a one way valve

Featuring a one way valve that allows air into the tank which provides efficient fuel flow through the carburettor and engine

in either standard design or WG grooved design for enduro/MX use

OEM KTM Style

Weight: 10

Paired with a high-quality RK chain

Wossner Piston Yamaha YZ450F 10-13 size:Piston B (+0.01mm) Featuring a one way valveWossner 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