Motion Pro, adapter kit for air-cooled engine

- For use with 722481 Motion Pro 2-stroke timing kit for water cooled engines
- Kit includes an extended thread adapter and dial indicator extension
- Allows Water-Cooled 2-Stroke Timing Kit (722481) to be used on air cooled engines with 14mm spark plugs
- Adapter kit does not allow two stroke timing kit 722481 to be installed on Yamaha RD two stroke twins when the engine is in the frame. Adapter kit 722480 with two stroke timing kit 722481 does work with engine out of frame
- Adapter length installed is 55 mm. Outside diameter is 19 mm
- Durable anodized aluminum finish