Canton deep sump offshore marine oil pan for Big Block Chevy Mark 4 engines. Features a 7in deep, 12in wide, 14in long sump with an 8-quart system capacity, made from 16-gauge steel for durability. Includes double trap door baffles to prevent oil starvation during rough water conditions, along with a screen windage tray to reduce oil drag and improve horsepower. Designed for offshore marine applications. Requires Canton pickup 18-381 (sold separately). Sold as each.