Lucas Oil 20020 Upper Cylinder Lube & Fuel Treatment – 5.25 oz / 155 ml

The Lucas Oil Upper Cylinder Lube & Fuel Treatment is a powerful blend of super-slick oils and additives designed to maximize engine performance. With no solvents, this treatment increases power, improves fuel mileage, and lowers exhaust emissions by ensuring more complete combustion.

Safe for use in both gasoline and diesel engines, whether carbureted or fuel injected, Lucas Fuel Treatment cleans and lubricates carburetors, injectors, and the entire fuel system. By helping fuel burn more thoroughly, it delivers more power with less fuel consumption.

✅ 5.25 oz / 155 ml bottle – convenient size for single treatments
✅ Boosts power & fuel mileage
✅ Lowers exhaust emissions – promotes cleaner combustion
✅ Safe for gasoline & diesel engines – carbureted or fuel injected
✅ 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

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

Choose Lucas Oil Fuel Treatment to keep your engine running clean, efficient, and powerful.