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 09-8064-2 Piston Kit 09-801 Oil Seal, S Type 93101-25M55 Connecting Rod Kit 296-01000-525 / 010-525 / 65T-11651-00 / 64X-11651-01