This is the Zipp Kits nitro to electric conversion Kit for the OS 3.5cc Outboard Legs. Includes: Motor mounting plate for Motors with 25mm mounting screw spacing. For example most 540, 36mm & 40mm Diameter size brushless motors. 5mm coupler to fit square drive 3.5 Flex Cables. NOTE: Works with OS lower units. Uses steering arm that's currently on your OS outboard leg.
