Liquid Performance Racing Coolant and Antifreeze with LP3 keeps your motor running at just the right temperature for maximum engine performance in both summer heat and winter cold. Liquid Performance's LP3 additives reduce heat, friction, and internal engine wear and maintain more horsepower than all of the competitors tested. This Racing Coolant is legal for all AMA-sanctioned dirt track racing events. Pre-mixed and ready to use. Propylene glycol based, phosphate-free, virtually non-toxic and biodegradable. Legal for all AMA-sanctioned dirt track racing events. 64 ounce bottle. Note: Boiling point protection up to 260°F (126.6°C); freezing point protection down to -30°F (-34°C).