VP Racing Fuels Diesel All in One Madditive is a fuel conditioning additive. Treat your diesel right! Get more out of your diesel engine with Diesel All-In-One Fuel Conditioner. All-In-One Fuel Conditioner cleans injectors and pumps, increases cetane, and replaces lost lubrication. Increases fuel mileage and reduce smoking.
Protects petroleum based (ULSD) and biodiesel applications and disperses water.