Products Snowmobile- YamahaPiston Kit Back Piston Kit 09-8064-4 Item number: 09-8064-4 Brand: Yamaha CC: 535 Bore Size: 74mm You May Also Be Interested In Piston Kit 09-831 Piston Kit 09-8064 Piston Kit 09-779 Cable, Steering F0D-U1481-00