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 09-808 Piston Kit 09-808-02 Piston Kit 09-783-03 Upper Unit Seal Kit 26-32511A1