Improves surface mating of rotating assembly, rod journals, piston rings, valve guides, cam and lifters, etc.; Protects all internal engine components, including flat tappet and roller valve trains; Proprietary additive package includes optimum amounts of ZDDP (Zinc and Phosphorus), Molybdenum and detergents; Requires no additives or supplements for maximum protection; Fully compatible with gasoline, methanol and high octane race fuel
