Lucas Oil fuel treatment is an additive suitable for both petrol and diesel engines. It is designed to improve power and reduce fuel consumption by cleaning and lubricating key components of the fuel system such as fuel pumps carburettors or injectors which in turn provides a more efficient combustion.Restores lost power and improves fuel economyCan be used as a lead replacement in engines designed for leaded fuelsSuitable for petrol or diesel enginesIncreases the life of fuel pumps and injectorsEasy to use, simply add to your fuel tankLucas oil fuel treatment is also effective at lowering vehicle emissions and it neutralises the harmful effects of low sulphur diesel fuels. It is ideal to use in older vehicles which were designed to run on leaded fuel as the treatment contains lubricants which are suitable to replace those found in leaded fuel.155ml Bottle - Treats up to 95 litres of fuel1 Litre Bottle - Treats up to 600 litres of fuelUpper Cylinder Lubricant & Fuel System Cleaner Tech