JOHNSEN'S Octane Boost, is a fuel additive formulated to help eliminate knocking and pinging, improve combustion, help prevent fuel systems from freezing, and increase octane in fuel. 1 Bottle treats up to 21 gallons of gasoline.
JOHNSEN'S Octane Boost, is a fuel additive formulated to help eliminate knocking and pinging, improve combustion, help prevent fuel systems from freezing, and increase octane in fuel. 1 Bottle treats up to 21 gallons of gasoline.