OMC 985271 098769 Cobra Upper Gearcase 5.0L 305 302 21:17 Sterndrive 1987-93
Item Details For use with OMC Cobra V8 GM 5.0L 305 & Ford 5.0L 302 Engines 1987-1993 1986 Model years used a different casing that even though they are compatible with those years, you need to swap out a few parts (anode at the base of the front of the gearcase) to make them compatible. Compatible with GM 5.0L & Ford 5.0L applications. (and also some other V8 applications depending on altitude) 21/17T Gear ratio (Gear Set 983919 / 0983919 / 983835 / 0983835) Model Number 985271 (stamped in plate) 984769 / 0984769 / 986844 / 0986844 No leaks or bad seals found after pressure testing. Freshwater Used Part I have included a picture of the impeller that is currently installed. It should be fine, but it is up to your discretion as to whether or not you replace it. You will need to add your own rear water pump cover (obviously not pictured) Original Paint, but overall good condition. This will be drained of gear oil before shipping and will need to be refilled before use.