This extra high capacity ?T? sump is for standard Big Block Chevys with 2 piece rear seals. The 8" deep by 14" long by 14" wide sump holds 10 quarts of oil. The pan is angled in the front for improved drain back & is notched for a sea pump. Note: These pans have been REDESIGNED to clear O.E.M. marine starters with a 168 tooth flywheel. This pan requires our 18-365 pickup.