WSM Piston Kit - Kawasaki 300 - Standard 50-255K Yamaha Racing Flexfit® Hat Another way Moose Racing helps

Another way Moose Racing helps our customers have the option to buy just the gasket thy need

high-tack shield that traps dirt

NOTE: These kits are for 2005 through 2010 YZ250 450 and many others

allowing the shield to function where a single pivot could not

WSM Piston Kit - Kawasaki 300 - Standard 50-255K Yamaha Racing Flexfit® Hat Another way Moose Racing helpsQuality 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