Lucas Oil Lead Replacer will replace the lead missing from unleaded fuels that you put into your vehicles. It is a perfect fuel stabiliser that contains lubricants to prevent valve seat recession. Lubricates upper cylinders and cleans the fuel system for improved performance, reliability and fuel economy.Can be added directly into your fuel tankPrevents damaging valve seat recession on engines designed for leaded fuelWill clean and lubricate the entire fuel systemIdeal for classic cars1 Litre bottle treats 450 litres of fuelLucas Oil Lead Replacer Technical Data Sheet