Category Snowmobile/Other Back Piston Kit 09-661 STD Snowmobile Parts & Accessories Type: STD 01 (0.25) 02 (0.50) 03 (0.75) 04 (1.00) Viewer:251 Item No: 09-661 STD Fits: Cuyuna 1974-1978 You May Also Be Interested In Piston Ring R09-661 Piston Kit 09-661 STD Cylinder Head Gasket 420-931-702 Top End Gasket Kit For VG-5028