Lucas Oil (345) 20661 Outboard Engine Oil Synthetic 10W-30, 1 Quart / 946 mL

Our unique formula prevents deposits that can cause overheating, and has been proven to reduce coolant temperatures up to 20°F. Lower cylinder head temperatures means advanced ignition and more horsepower. 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.