A method for manufacturing an engine block (10) includes removing material from the top deck (18) of the engine block (10) surrounding a first opening to create a first recessed area (22), placing a first seal (90) within the first recessed area (22), positioning a first insert (50) within the first recessed area (22) and against the first seal (90). The method may also include removing material from the top deck (18) of the engine block (10) surrounding a second opening to create a second recessed area (70) that at least partially overlaps the first recessed area (22), placing a second seal (95) in the second recessed area (70) and positioning a second insert (78) within the second recessed area (70) and against the second seal (95).
