SEI MARINE PRODUCTS - OMC Cobra to SE116 Conversion Kit Converts Cobra drives that shift in the lower unit. Does not Replace King Cobra drives. Designed to work with our modified SE116 drive. You will need to purchase a new prop and hardware to fit the SE116 drive. If purchasing the drive, please not that you will want to purchase the SE116 Install Kit and SE116 Anode Kit at the same time.