Maxima Hi Test Octane Boost - 16 U.S. fl oz. - 83916

Concentrated octane booster increases pump gas octane rating. Eliminates pre-detonation. Mix either with straight gas or with alcohol and nitrous mixtures. For 2-stroke or 4-stroke engines. Legal for all racing applications. Won't harm or discolor plastic gas tanks. Cleans fuel delivery systems. Each ounce of octane booster per gallon of gas raises octane rating by four points. Made in the USA.