Be Cool

Protects your cooling system from corrosion. A zinc annode pressed into a 1/4" pipe thread fitting attract corrosion to keep it away from the rest of your cooling system. Can be installed into radiator or engine block.

Gibbs Brand Penetrant does way more than penetrate through rust. When applied to various clean metals (such as aluminum radiator tanks) it will prevent oxidation from making your shiny aluminum radiator look like a boat anchor.