Mercury - Tool-timing - 91-889331 Sierra Marine Cooling Components It is one of those

It is one of those small maintenance items that can save a lot of frustration on the water when the engine needs to idle clean and pull strong

Magnesium is the top choice for freshwater because it reacts quickly and pulls corrosion away from the components you need to protect

Meets ASTM D-3306 and D-4340 requirements

Q: Should gears be inspected during engine rebuilds

anywhere a weatherproof and dependable connection is needed

Mercury - Tool-timing - 91-889331 Sierra Marine Cooling Components It is one of thoseTool timing WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.