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 09-807-03 Piston Kit 09-826-03 Piston Kit 09-719-03 Full Gasket Kit 09-711212