Lucas Oil Extreme Duty Outboard Engine Synthetic SAE Oil - The Lucas Oil Extreme Duty Outboard Engine Synthetic SAE Oil is formulated especially for the harsh conditions of high speed watercrafts. These outboard engine oils are catalyst compatible and designed for 4-Stroke applications but also work well in Inboards and Personal Water Crafts. Long lasting and safely blends with synthetic & non-synthetic oils, Lucas outboard engine oils are fortified with a special blend of synthetic additives that coat all moving parts to guard against rust and moisture during long periods of storage. Features: 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 Provides rust and corrosion protection in both fresh water and salt water environments Effective Water Resistance Long Lasting Resist Extreme Pressure Extreme Friction Reducer Contains a special additive package to improve wear protection and increase catalyst life in newer outboards using catalytic converters NMMA® Certified to meet or exceed FC-W (CAT) performance Meets JASO MA standards for air-cooled motorcycles and all-terrain vehicles Meets industry standard API SM (automotive)