Champ Pans Pro Series dry sump oil pan for Small Block Chevy engines with Dart/Brodix spread rail blocks and 2-piece rear main seal. Features a 4.25in deep sump with three 12 AN O-ring ports on the top passenger side, made from aluminum with a natural finish for durability. Designed for asphalt circle track racing, offering reduced weight and improved oil control. Sold as each.