Valvoline Motor Oil is specially formulated for the full life of the engine and comes in both multi-viscosity and mono-grade formulations. Multi-viscosity grades provide protection in all climates, while mono-grade oils are formulated for warmer conditions. All Valvoline oils are formulated with advanced additives for year-round engine protection and meet the new API SN with SN PLUS specification, protecting gasoline direct injected engines from low-speed pre-ignition.