Lucas Oil Upper Cylinder Lube & Fuel Treatment – 1 Quart / 946 ml

The Lucas Oil Upper Cylinder Lube & Fuel Treatment is a powerful blend of oils and additives designed to improve performance and extend engine life. Formulated with no solvents, it increases power, improves fuel mileage, and lowers exhaust emissions by promoting more complete combustion.

Safe for gasoline and diesel engines, whether carbureted or fuel injected, Lucas Fuel Treatment cleans and lubricates carburetors, injectors, and the entire fuel system. It helps engines burn fuel more efficiently, delivering more power and less consumption.

✅ Increases power & fuel mileage
✅ Lowers exhaust emissions – promotes cleaner combustion
✅ Safe for gasoline & diesel engines – carbureted or fuel injected
✅ Cleans & lubricates carburetors and injectors
✅ Replaces the benefits of leaded fuel without harmful emissions
✅ Helps pass smog tests – reduces pollutants
✅ Neutralizes low sulfur diesel effects – protects engine components
✅ 1 Quart / 946 ml size – convenient for multiple treatments

Complies with federal low sulfur content requirements for use in diesel vehicles, non-road equipment, locomotives, and marine engines.

Choose Lucas Fuel Treatment to keep your engine running at maximum efficiency, mile after mile.