Maxima Coolanol is a ready-to-use 50/50 blend of premium ethylene glycol antifreeze and deionized water for 2-stroke and 4-stroke liquid-cooled engines. Designed to increase cooling efficiency while protecting aluminum and magnesium components against rust and corrosion, its anti-foam formula also helps reduce water pump cavitation. Provides freeze protection down to -34°F and raises the boiling point up to 265°F with a 15 lb. radiator cap.