Universal Motor Flusher (Large)

Description Motor Flusher (Marpac) – Universal – Rectangular – Can use a garden hose to flush the cooling system out – Works on most outboards and inboard/outboards – Also a great way to test run your boat before heading for the water – Increases the life of all outboard engines – Cups rotate for easy application – Soft, rubber cups aid in proper circulation and prevention of scratching