WSM Piston Kit - Polaris 500 - +.75 mm 50-311-06K C1 Chain Clean Mid-weight

Mid-weight

A pre-lubricated nylon inner sleeve guarantees smooth operation and long life

Internal toe box and heel counter reinforcement is layered under the upper for a more ergonomic design

SAS-TEC internal protections

British Superbike and World Superbike riders

WSM Piston Kit - Polaris 500 - +.75 mm 50-311-06K C1 Chain Clean Mid-weightQuality 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