Products Snowmobile- YamahaPiston Kit Back Piston Kit 09-8064-2 Item number: 09-8064-2 Brand: Yamaha CC: 535 Bore Size: 73.5mm You May Also Be Interested In Piston Kit 09-813-02 Piston Kit 09-8064 Gasket - Exhaust Cover 6K8-41114-00 Connecting Rod Kit 296-01000-519 / 010-519