WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK Fork Shields Uses a 2-inch constant velocity

Uses a 2-inch constant velocity core for exceptional sound and performance

The sole is replaceable

Centrifugally activated technology automatically prevents engine stalls

NOTE: 2 x SP061 (Caliper Relocation Bracket)

WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK Fork Shields Uses a 2-inch constant velocityQuality 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