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Add to severe duty, high stress and performance engines. Cools oil up to 57 degrees. Eliminates oil starvation, bearing failure, piston scuffing, galling, bluing, metal transfer, valve train drag and foaming. Eliminates condensation in gas and alcohol engines. A must for all Circle, Drag, Blown, Turbo, Nitrous, Pro Street and Marine applications. 16oz bottle treats up to 5 quarts of oil.