Lightly used intake manifold cast aluminum 427-4V medium riser. Blue Thunder casting 427MR-4V. Has the oil fill tube in front, dual plane, and the road draft provision in the back. Very tall manifold, likely to not fit under the stock hood of a Cougar or Mustang. Do your research on this, if you know, you know. We don't. Small portion on the driver side front has been lightly ground down, likely for a coil. No other issues noted.