Chevron Supreme Synthetic Blend Motor Oil 5W-20, 5 Quart is a quality synthetic blend oil that provides enhanced protection in the areas of deposit control, sludge prevention, and wear protection, to keep older engines running clean and strong. Supreme Synthetic Blend Motor Oil is formulated with advanced additives to protect the engine under both normal and harsh driving conditions. Suitable for both new and high-mileage cars, as well as turbocharged and naturally aspirated engines. Vehicles that specify API SP or previous specification as well as GF-6 or previous specification.