Valvoline Full Synthetic Motor Oil delivers superior engine protection by fighting the three major causes of engine stress: heat, deposits and wear. When you want to keep your engine running its best, choose the ultimate protection found in Valvoline Full Synthetic Motor Oil. Valvoline Full Synthetic Motor Oil meets the GM* dexos1 Gen2 and API SN PLUS specifications, helping protect gasoline direct injected engines from low-speed pre-ignition.