This is a vintage  Ford Y Block Intake Manifold # ECZ-9425-A with the Firing order 1-5-4-8-6-3-7-2 w/ Carburetor.  I do believe it came off a mid to late 50s Ford Thunderbird. I have not used this manifold. It is sold as is with no warranty.There are no visible issues. please look at pictures.

 Please ask any questions you have and I will try to answer them. Call or text at 6two096zero096two. I will deliver to Hutchinson, Nickerson, Sterling or Lyons.