WSM Piston Kit - Kawasaki 650 - +.25 mm 50-256-04K K3 Rossi Winter 2019 Helmet Clutch covers are double hard

Clutch covers are double hard anodized to further enhance durability and wear resistance

Fitment: Yamaha R1 2004-2006 + Yamaha FZ-1 2006-2016

Stock H-D mufflers will not work with this head pipe because of the stock mufflers internal construction

Gore-Tex waterproof and breathable membrane for effective all-weather performance with Gore Grip technology

WSM Piston Kit - Kawasaki 650 - +.25 mm 50-256-04K K3 Rossi Winter 2019 Helmet Clutch covers are double hardQuality 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