Chevron Supreme 10W-30 conventional motor oil, sold as a case of twelve 1-quart bottles. Formulated with Chevron's ISOSYN base oil technology for extra oxidation protection, this motor oil delivers excellent volatility control, oxidation stability, and deposit control that promotes long engine life.

SAE 10W-30 is recommended for many older vehicles as well as select late-model cars and trucks, particularly those with larger 6-cylinder, V-8, and high-performance engines. This viscosity grade also provides improved fuel economy relative to heavier viscosity grades. Chevron Supreme motor oils meet or exceed the requirements of major automobile manufacturers and are a trusted choice with strong market presence in the Western United States.