Valvoline® offers a full line of premium conventional motor oils that are specially formulated for the full life of the engine. Valvoline's conventional motor oil product line 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 additive technology and premium base oils for high performance and an enhanced engine life. Valvoline's unique multi-viscosity formula helps to: Keep the engine clean by minimizing deposit formation, Reduce oil consumption by fighting volatility and oil evaporation, Resist oil thickening by providing enhanced oxidation control, Improve gas mileage in the lower viscosity grades (5W20, 5W30 and 10W30) by reducing friction, and Provide thorough anti-wear protection exceeding current U.S., Japanese and European wear tests for gasoline and gasoline turbo-charged engines where each grade is specified. Valvoline's line of multi-viscosity oils include the following grades: 5W20, 5W30, 10W30, 10W40, 15W40 and 20W50.