WSM Piston Kit - Polaris - Standard 50-300PK Speedway T-Shirt 2019-2025 Yamaha YZ450FX - -

2019-2025 Yamaha YZ450FX - - 2019

Leather shift pad for abrasion resistance and structural protection

aiding starting and traction

Extended microfiber gaiter helps seal out water and dirt Closure system includes polymer buckles plus an aluminum frame with innovative

Peak can be removed for naked configuration

WSM Piston Kit - Polaris - Standard 50-300PK Speedway T-Shirt 2019-2025 Yamaha YZ450FX - -Quality 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