Category Snowmobile/Ski DooSki Doo - Snowmobile Piston Kits Back Piston Ring R09-760 Snowmobile Parts & Accessories Type: STD 01 (0.25) 02 (0.50) 03 (0.75) 04 (1.00) Viewer:409 Item No: R09-760 Ski Doo No: 420-9951-80 Fits: 1979-1982 Ski-Doo Blizzard 9500+ You May Also Be Interested In Piston Ring R09-753 Piston Ring R09-769 Top End Gasket Kit For M810808 Connecting Rod Kit CR106