BEST PARASYNTHETIC MOTOR OIL WITH MOLYBDENUM Run smoother and longer with Convoy. Convoy 5w-30 contains Molybdenum as a frictional modifier for improved performance and efficiency. Meets and exceeds API SP/ILSAC GF-6A service specifications and is backwards compatible for SN/SM and SN-Plus and previous API specifications as well as ILSAC GF5/GF-4 specifications.