Castrol LubricationOil 68 is a premium quality, multipurpose lubricating oil designed to provide superior lubrication and protection in a wide variety of automotive, industrial, and marine applications. It is formulated with a blend of synthetic and mineral base oils that provide excellent thermal and oxidation stability. Its superior additive system helps to protect against rust and corrosion, and it helps to reduce wear and tear on engine components. It is suitable for use in both diesel and gasoline engines, and it is ideal for use in high-speed, high-temperature applications.