Engine Werks Cleaner - 16 U.S. fl oz. Bring back the black; revive the dull finish of a motor with Engine Werks, Unique water-based product is designed to renew the finish on a motor, Made from solvent- and non-flammable ingredients that are designed to reduce dust and dirt from collecting on the surface of the motor while amplifying the color, Apply to the clean, dry, black surface of a motor to bring back that show room brilliance