Ice water improves the ability of water to wet transfer surfaces by 50% providing a significant reduction in surface tension, moving heat away from the engine Just add one 12 oz pouch to 3-5 gallons of water for optional racing performance Significantly lowers engine temperatures and improves horsepower vs. traditional antifreeze Superior heat transfer over antifreeze Superior corrosion and oxidation protection Protect all of your parts, including cast iron, brass, steel, and rubber Superior protection of silicone seals and hoses Glycol free for most racing applications Coolant only. Contains no freeze protection.. ENGINE ICE - ICE WATER