VP Racing Madditive all in one fuel conditioner for diesel fuels is designed to improve engine performance and fuel economy by cleaning deposits from fuel system components such as pumps, lines and injectors. It also increases the Cetane rating of the fuel improving combustion.Improves engine performance and fuel economyCleans gum and tarnish deposits from Fuel pumps, lines and injectorsIncreases the fuel Cetane rating for improved combustionRe-adds the lubrication removed from modern Diesel fuels for better fuel system performance with longer service lifeOn top of all these amazing features, VP Racing Diesel all in one fuel conditioner also helps reduce smoking, disperses water and includes an anti-gelling additive to keep your fuel fluid in the cold winter months. This can hugely improve cold start up performance in colder climates. 700ml (24 oz) bottle. Treats up to 240 gallons (908 litres)