Category Snowmobile/Ski DooSki Doo - Snowmobile Piston Kits Back Piston Kit 09-769 Snowmobile Parts & Accessories Type: STD 01 (0.25) 02 (0.50) 03 (0.75) 04 (1.00) Viewer:721 Item No: 09-769 Fits: 1979-1977 Ski Doo Futura 400, E You May Also Be Interested In Piston Ring R09-740 Piston Kit 09-752 Top End Gasket Kit PWPO-SL650-TG Cylinder Head Gasket 6B6-11181-00-00