WSM Piston Kit - Yamaha 80 - +.50 mm 50-536-05K Replacement Gauge long-lasting power to the Alpinestars

long-lasting power to the Alpinestars Heat Tech System and an electronic controller for long life and security

Feeds two central 10 mm intake ports

Tensile strength: 11800

Snap connection system allows integration of Nucleon Race back protector (sold separately)

VAS-Z shield accepts VAS-Z Pinlock lens

WSM Piston Kit - Yamaha 80 - +.50 mm 50-536-05K Replacement Gauge long-lasting power to the AlpinestarsQuality 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