WSM Piston Kit - Polaris 500 - +.75 mm 50-311-06K C1 Chain Clean plus perforation zones for improved

plus perforation zones for improved breathability Side reinforcement in synthetic suede

then wring out excess oil back into tub

KTM 450 SXF FACTORY EDITION 12-14

Redesigned instep and Achilles accordion flex zones

Mid-weight

WSM Piston Kit - Polaris 500 - +.75 mm 50-311-06K C1 Chain Clean plus perforation zones for improvedQuality 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