NOS Octane Booster Racing Formula is a fuel treatment. It is developed to increase octane effect up to 31 points or 3.1 full octane numbers. It is blended with the strongest MMT and performance enhancing Powertane, along with nitromethane and unique lubricants specially developed for high performance engines. Octane Booster Racing Formula improves gas mileage, eliminates knocks, ping, and hesitation. It protects against carbon deposits in the fuel injectors and combustion chamber as well as restores and improves horsepower.