WSM Piston Kit - Polaris 300 - +.25 mm 50-310-04PK Mini Factory 4.1 Slip-On Muffler CNC-machined from aviation grade 6061-T6

WSM Piston Kit - Polaris 300 - +.25 mm 50-310-04PK Mini Factory 4.1 Slip-On Muffler CNC-machined from aviation grade 6061-T6Quality 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

SKU: 66191588534 · From astonvaughan.co.uk