Wossner Piston Yamaha YFM660R Raptor 01-05 S3-Cat-ACCESSORIES-HandlebarPads Rubber compound is tested to

Rubber compound is tested to -40° F to assure good performance and long life at low temperatures

More valves equals more power by creating:

reduced wear

testing and racing

Slim design< /li>

Wossner Piston Yamaha YFM660R Raptor 01-05 S3-Cat-ACCESSORIES-HandlebarPads Rubber compound is tested toWossner 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