Hi Test Octane Boost - 16 U.S. fl oz.Caracteristicas: Concentrated octane booster increases pump gas octane rating Eliminates pre detonation Mix either with straight gas or with alcohol and nitrous mixtures For 2 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 U. S. A. Peso: 1. 0 Alto: 2. 95 Largo: 7. 87 Ancho: 3. 54