Everything you will need to start protecting your entire cooling system from corrosion, overheating, and cold start damage. The kit includes the MFS patented indestructible trident Injector, 1 Zinc water control valve, and the concentrated, all-natural Marine Flush Solution.
Recommended use is once every 25 hours engine-run time or once a month. Works great before storage of your boat.
Always do water flushing in between treatments.