Valvoline 5 Quart 10W30 Full Synthetic Motor Oil. It provides superior engine protection by fighting the three major causes of engine stress: heat, deposits and wear. It meets the GM dexos1 Gen2 and API SN PLUS specifications, helping protect gasoline direct injected engines from low speed pre-ignition. It is suitable for use in a variety of vehicles, including cars, trucks, SUVs, and vans.