Lucas Extreme Duty Marine Semi Synthetic 20W-50 Engine Oil is manufactured with the highest quality paraffinic base oils and is fortified with an exclusive additive package containing high levels of Zinc, Moly and Phosphorus that provides a tougher, thicker additive film for maximum protection even under the most severe conditions. It lowers oil temperatures, extends oil life and minimizes metal fatigue.
• Excellent for use with supercharged, turbo charged or nitrous oxide high performance engines
• Protects against rust and moisture during long periods of storage
• Safely blends and is compatible with synthetic and non-synthetic oils