Fuel Treatment

Fuel Treatment


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A powerful blend of oils and additives that contain no SOLVENTS. Designed to increase power and fuel mileage and also lower exhaust emissions through a more complete combustion.

Lucas Fuel Treatment is formulated for both gasoline and diesel engines, carbureted or fuel injected. It gives your fuel system what it really needs - a blend of super slick oils and additives with a high detergent action that allows the engine to operate at maximum efficiency. Also, it cleans and lubricates the carburetor and injectors and causes the fuel to burn more thoroughly for increased power and less fuel consumption. Lucas Fuel Treatment should definitely be used in vehicles that require leaded fuel because it actually replaces the benefits of lead in gasoline without causing harmful emissions. Use it to pass smog tests. Finally, it totally neutralizes the harmful effects of low sulfur diesel fuel.

Lucas Fuel Treatment complies with the federal low sulfur content requirements for use in diesel motor vehicles and non-road, locomotive and marine diesel equipment engines.

Key Benefits

  • A great tune-up in a bottle
  • Cleans and lubricates the fuel system
  • Neutralizes low sulfur fuel problems
  • Increases power and miles per gallon by burning excess exhaust emissions
  • Increases the life of pumps and injectors


  • Pour Lucas Fuel Treatment directly into fuel tank
  • Recommended dosage is 2-3 ounces of Fuel Treatment per 10 gallons of fuel
  • Exceeding the recommended dosage is not harmful to your vehicle


  • #10020 - 5.25 Ounce (Case of 24) - 10 lbs
  • #10003 - 1 Quart (Case of 12) - 25 lbs
  • #10013 - 1 Gallon (Case of 4) - 33 lbs
  • #10080 - 5 Gallon Pail (1 Pail) - 40 lbs
  • #10023 - Per Gallon Tote (1 Tote)
  • #10090 - 55 Gallon Drum - (1 Drum) - 440 lbs
  • #10515 - Concentrate, Per Gallon Tote (1 Tote)


Technical Data Sheet Technical Data Sheet
Safety Data Sheet Safety Data Sheet
Safety Data Sheet Safety Data Sheet - Concentrate

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Product Videos - Fuel Treatment

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After using Upper Cylinder Lubricant--problem gone.

I just started using you Upper Cylinder Lubricant and Fuel Conditioner in my 2 early 70's vehicles, both designed for leaded fuel. I have had starting issues with the unleaded fuels for years when they sat for 2-3 days or more. Carbs would not have enough fuel in them- both have mechanical pumps and I checked and repaired any possible issues (other than installing an electric pump). After using Upper Cylinder Lubricant--problem gone-no more fast gas evaporation. -Ken M.
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