Lucas Oil Fuel Treatment with Upper Cylinder Lubricant & Injector Cleaner is your solution for maintaining peak engine performance. Formulated for gasoline, diesel, and liquefied petroleum gas engines, this treatment ensures your engine runs smoothly and efficiently. It acts as an upper cylinder lubricant and injector cleaner, enhancing fuel combustion and reducing wear. Free from harmful solvents and alcohol, it is safe for your engine and the environment. When used in diesel engines, it neutralizes the adverse effects of low-sulphur diesel fuel, ensuring longevity and reliability.