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 09-826-03 Piston Kit 09-808-01 Connecting Rod Kit 296-01000-522 / 010-522 Full Gasket Kit 09-711297