Maxima Coolanol is a ready-to-use 50/50 blend of premium quality ethylene glycol based antifreeze and deionized water to provide optimum rust and corrosion protection for all aluminum and magnesium motorcycle and ATV liquid cooled engines. Coolanol also contains anti-foam agents to reduce water pump cavitation and increase cooling capacity. Coolanol 50/50 blend protects from freeze-ups in winter down to -34 degrees F. Coolanol also raises your cooling systems boiling point to 265 degrees F with a 15 lb. radiator cap. This extremely low-silicate fluid is ideally suited for all motorcycle applications.