WSM Piston Kit - Yamaha - +.50 mm 50-520-05PK Impeller Shaft Nut Now the flashing of the

Now the flashing of the ECU is common place

Reflective print to increase rider visibility

Terry cloth patch on thumb for wiping away sweat and grime

with carbon fiber protection

WSM Piston Kit - Yamaha - +.50 mm 50-520-05PK Impeller Shaft Nut Now the flashing 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