PEAK P3MS15 10W30 Synthetic Motor Oil - 5 Quart Jug, (Case of 3) Use results in reduced friction and wear at engine start-up in cold weather Offers protection against high temperature deposits that can damage your engine Protects engines under demanding stop and go driving conditions, and against the formation of sludge and varnish deposits on engine parts Formulated for maximum protection against viscosity breakdown Designed to provide maximum protection that meets or exceeds U.S. standards, including the latest API SM Service Classifications