Wossner Piston Yamaha YFM350 Grizzly 07-14 SIZE_Piston A (Standard) The 17 mm nut is

The 17 mm nut is crossed-drilled so racers can safety wire the filter to their bike

Produced with Polisport exclusive technology - DGP (durable gloss polypropylene)

Overall Height: Bantam

All Balls OEM replacement air filters are manufactured to meet or exceed OEM specifications

Maintaining an air filter can be easy and economical

Wossner Piston Yamaha YFM350 Grizzly 07-14 SIZE_Piston A (Standard) The 17 mm nut isWossner 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