Lucas Oil 20013 Upper Cylinder Lube & Fuel Treatment – 1 Gallon / 3.786 L

The Lucas Oil Upper Cylinder Lube & Fuel Treatment is a powerful blend of oils and additives designed to boost power, improve fuel economy, and reduce emissions. Formulated with no solvents, it ensures more complete combustion while extending the life of your engine and fuel system.

Safe for gasoline and diesel engines, whether carbureted or fuel injected, this treatment cleans and lubricates carburetors, injectors, and the entire fuel system. By helping fuel burn more thoroughly, it delivers increased power, improved mileage, and lower emissions.

✅ 1 Gallon / 3.786 L jug – bulk size for shop, fleet, or frequent use
✅ Boosts power & fuel mileage – efficient combustion
✅ Lowers emissions – cleaner engine performance
✅ Cleans & lubricates carburetors and injectors
✅ Replaces benefits of leaded fuel without harmful emissions
✅ Helps pass smog tests – reduces pollutants
✅ Neutralizes low sulfur diesel effects – protects engine components
✅ Safe for gasoline & diesel engines – carbureted or fuel injected
✅ Meets federal low sulfur content requirements

Trusted worldwide, Lucas Fuel Treatment keeps engines running cleaner, stronger, and longer.