This BBC High Capacity Marine Pan for Mark V Big Blocks with one piece rear seal. With a deep 8" full length sump it holds 9 quarts of oil for greater oil capacity. Double trap door baffles and a bolt in windage tray are featured to prevent oil slosh from the motion of the boat. This pan also includes a 1/2" N.P.T. fitting on each side for oil drains and a provision for our pan mounted dipstick. Designed for applications with the pickup at the flywheel end of the engine. This pan requires our 18-301 pickup.