Klotz® Nitro™ is an oxygenating power additive developed for gasoline and methanol alcohol fuels. Nitro® is designed to extract the maximum level of horsepower from stock and modified engines. Contains 50% Nitropropane and 50% Koolinal™ as a blending and cooling agent. Koolinal™ resists detonation and pre-ignition. Dyno test indicate substantial power increases may be obtained when using Klotz® Nitro™. Blends with methanol alcohol and gasoline.