A powerful additive formulated to reduce engine temperatures and provide significantly better contact on heated surfaces allowing for greater and more efficient heat transfer. Glycol, Nitrate, Amine, Borax free. Add to any cooling system (water or antifreeze). Non-slippery if spilled on paved surfaces. Approved and safe for use in most racing series’.Also available: 64oz. Ready-to-Use version premixed in deionized water.