WSM Piston Kit - Polaris - +1 mm 50-300-07PK Youth XC1 Vest ” In the drag racing

” In the drag racing community

Come complete with assorted mounting hardware for do-it-yourself applications

Features QVF three-position intake and QVR exhaust ducts for excellent air intake and exhaust performance when riding—even when the front shutter is closed on the top duct

Ball joint kits are sold per A-arm and come with snap ring and cotter pin

NOTE: Both "Upper" and "Lower" R1 Velocity Stacks are designed to work togehter

WSM Piston Kit - Polaris - +1 mm 50-300-07PK Youth XC1 Vest ” In the drag racingQuality 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