Lucas Oil 1-Qt. 10W-40 Extreme Duty Synthetic 4-Stroke Outboard Engine Oil

1-Quart Extreme Duty 10W-40 Synthetic Outboard Engine Oil. Formulated especially for the harsh conditions of high speed water crafts. These outboard engine oils are catalyst compatible and designed for 4-Stroke applications but also work well in In-Boards and Personal Water Crafts.