WSM Piston Assembly - Polaris - +.5 mm 50-306-05PK K3 SV/K5 Helmet GT2-1 Outer Shield shot-peened

shot-peened

Logo duct works well at low speed and with an upright riding position and can be opened or closed easily with summer or winter gloves

SMX Plus (not for SMX Plus 2011-2015)

2021-2022 Sherco 500 SEF Factory - - 2019 Sherco 250 SC - - 2019 Sherco 300 SC Factory - - 2019 Sherco 450 SCF - - 2019 Sherco 500 SCF - - 2018-2019

will not corrode

WSM Piston Assembly - Polaris - +.5 mm 50-306-05PK K3 SV/K5 Helmet GT2-1 Outer Shield shot-peenedQuality 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