Lucas, 5.25 OZ, Fuel Treatment, Fuel Treatment Is For Gasoline LPG & Diesel Fuel, Contains No Alcohol, Solvents, Kerosene, Diesel Fuel Or Anything Else That Would Be Useless Or Harmful To Engines, Lubricates Rings & Cylinder Walls For Longer Life, Increases Mileage & Cleans & Lubricates Valves, Pumps, Carburetors, & Injectors.