Wossner Piston Yamaha YZ450F 03-04 / WR450F 03-11 (Pro) (Hi-Comp) Category_Differential Bearings & Seals Holster only

Holster only

Outside Width: 4

the spark continually jumps over to a different ground electrode

Provides long-lasting protection

contain uniform micron-sized openings that allow high air flow

Wossner Piston Yamaha YZ450F 03-04 / WR450F 03-11 (Pro) (Hi-Comp) Category_Differential Bearings & Seals Holster onlyWossner 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