WSM Piston Kit - Polaris - +1 mm 50-300-07PK Youth XC1 Vest Adjust preload rings and collars

Adjust preload rings and collars for sizes 35 mm - 75 mm

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

The jackets ergonomic design means that it can be worn without the airbag system for a versatile

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

2014-2015 Beta 250 RR - - 2014-2015 Beta 300 RR - -

WSM Piston Kit - Polaris - +1 mm 50-300-07PK Youth XC1 Vest Adjust preload rings and collarsQuality 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