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:546 Item No: 09-661 STD Fits: Cuyuna 1974-1978 You May Also Be Interested In Piston Kit 09-8043 STD (Right Side) Piston Ring R09-8043 Gasket, Cylinder Head 1 6D3-11181-00-00 Bellows Assy 816431A1 Watch Our Product Videos