This 1958-1960 Chevy V8 348 LEFT Exhaust Manifold #3732793 is an original GM part that is used. Some exhaust manifolds may need new studs. The manifold fits 1958-1960 348 (except High Performance) and 19610 348 250-380HP High Performance.
The item photographed is only a sample. Your part may look slightly different than the one photographed but it will be the same quality.