BestLine Engine and Gas Additive Kit helps you protect, preserve, and lubricate your engine, with its Superior Lubricants. By increasing the efficiency of your engine with BestLine Lubricants, the same distances may be traveled burning less fuel, thereby reducing the impact on the environment. BestLine International Research Inc. developed this radically new line of synthetic lubricants that dramatically reduce friction, heat and mechanical wear beyond all other known products. BestLine engine treatment will clean, treat and protect internal engine components. The engine will be coated with an ionically bonded layer of lubricant that resists friction and wear, providing efficiency and performance. BestLine diesel fuel treatment, with its Sulfur Replacement Technology (SRT), is compatible with all grades of diesel fuel, reducing bio-diesel. Regular use will dramatically improve engine performance and fuel economy. Reduces emissions and soot particulates.