Snowmobile/Ski DooSki Doo - Snowmobile Piston Kits Back Piston Kit 09-755 Snowmobile Parts & Accessories Type: STD 01 (0.25) 02 (0.50) 03 (0.75) 04 (1.00) Viewer:829 Item No: 09-755 OEM No: 420-888-333 CC: 436 Bore Size: 64.88mm Fits: 2006 Ski-Doo MXZ 440 2007-2002 Ski-Doo MXZ X 440 You May Also Be Interested In Piston Kit 09-243 Piston Kit 09-751 Crank 6M6-11431-00 Gasket, Cylinder 3007-242