Products Snowmobile- YamahaPiston Kit Back Piston Kit 09-8064 Item number: 09-8064 Brand: Yamaha CC: 535 Bore Size: 73mm You May Also Be Interested In Piston Kit 09-813-01 Piston Kit 09-802-01 Gasket - Head Cover 66V-11193-00 Lock nut 11-817618 / 817618