WSM Piston Kit - Polaris - Standard 010-831K Nucleon Flex Pro Shoulder Guards Lightweight protective jacket with high

Lightweight protective jacket with high adjustability and maximum breathability Back protector developed in two waist-to-shoulder dimensions to cover all kids/youth body sizes from 6-10 and 10-14 years of age

needle bearings

Oil resistant dual rubber compound for optimized grip on unclean/slippery surfaces

Stretch seam construction Alpinestars print logo on chest and back

Oversized K&N® "XD Series" high-flow air filter for high capacity and efficiency

WSM Piston Kit - Polaris - Standard 010-831K Nucleon Flex Pro Shoulder Guards Lightweight protective jacket with highQuality 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