Sierra International Bellows Kit OMC Cobra Without Cone Clutch 18-2771. It is interchangeable with the following: GLM 21962 Mallory 9-72930 OMC 3858631 3854270. Contains: (1) 18-2613 Outdrive Gasket (1) 18-2763 Shift Cable Bellows (1) 18-2764 Exhaust...