WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK 4" Slip-On Mufflers Highly resistant protection of the

Highly resistant protection of the engine cover against stone strikes and damage from falls or impacts when handling the bike

Sleek low profile design

chrome plated outer shell for durability and original flair

even under pressure

Elastic kidney belt with TPR belt system for customized

WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK 4" Slip-On Mufflers Highly resistant protection of theQuality 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