High performance coolant designed to reduce and maintain lower operating temperatures, minimize power loss due to heat and prevent damage from excessive temperatures. Developed with top Trophy Truck and Class racers, Off-Road Coolant has been tested and proven in the harshest and most extreme environments. Premium ethylene glycol (TO PREVENT FREEZING) and pure deionized water are combined with an advanced additive system to provide ultimate protection against rust, corrosion, cavitation and foaming while providing water pump and seal lubrication for steel, aluminum and magnesium engines.