WSM Piston Kit - Polaris 300 - +.75 mm 50-310-06PK Garage Jacket This exhaust system was developed

This exhaust system was developed using the same technology that has powered the Graves Racing Team to 23 Professional AMA National Championships including 8 Superbike Championship titles

A welded focus ring and one-piece filament support assures proper positioning

Additional space padding enables a high-adjustability for a personal fit

30 clicks independent rebound adjustment

the TorqDrive Clutch Pack will give you the advantage you are looking for

WSM Piston Kit - Polaris 300 - +.75 mm 50-310-06PK Garage Jacket This exhaust system was developedQuality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves