WSM Piston Assembly - Polaris - Standard 50-306PK American Speed T-Shirt Pre-contoured leg construction with knee

Pre-contoured leg construction with knee stretch panels insert for optimum riding comfort

Advanced design ensures lightning-quick throttle response Extensively track- and dyno-tested Steel Allen head screws make repacking an easy task Exclusive E-glass pillow packing Includes USFS-approved spark arrestor that can be removed for closed-course racing

More frictions = more torque capacity

80km - 16093

EVA padding reinforcements on outerhand

WSM Piston Assembly - Polaris - Standard 50-306PK American Speed T-Shirt Pre-contoured leg construction with kneeQuality 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