C4 Used Engine Exhaust Manifold 1984-1996

Good used Engine Exhaust Manifold 1984-1996.

GM Part Numbers: 10046139, 10046140, 10055734, 14087511, 14087512, 12554232

Several manifold numbers are grouped on this listing. Confirm the side, engine, and whether the manifold has A.I.R. ports before ordering.