Lucas Cetane Power Booster is a diesel fuel supplement that contains effective lubricants for the engine's high-pressure fuel injection pump. Expect cleaner exhaust, longer filter life, easier start ups and smoother idle, as well as, more power, more MPG and longer engine life. It adds much needed cleaners and lubricants to the diesel fuel and reduces wear by more than 27% in unadditized diesel fuel. It maintains peak performance by reducing injector coking and internal injector deposits. It also lubricates rings and cylinders for longer engine life.