JEGS Heavy duty pre-lubricant is designed for all gasoline and diesel engines. Ideal for bearings, camshafts, crankshafts, rocker arms and other internal components. Features a tacky lubricating film that forms a protective coating during the assembly process and is compatible with all motor oils. Fortified with zinc and other extreme pressure additives which enhance and sustain anti-scuffing, anti-galling and wear-in properties during the extremely critical break in period. Made In USA