Category Snowmobile/Ski DooSki Doo - Snowmobile Piston Kits Back Piston Kit 09-765 Snowmobile Parts & Accessories Type: STD 01 (0.25) 02 (0.50) 03 (0.75) 04 (1.00) Viewer:1264 Item No: 09-765 Bore: 59.50mm Fits: 1978-1973 Ski-Doo TNT F/A 340 You May Also Be Interested In Piston Kit 09-746 Piston Kit 09-785 Head Gasket 11004-0744 Float Bowl Gasket 338813 Watch Our Product Videos