Before I go posting a want ad, were they all black or did some come in chrome? It's the little, cast metal ring that screws onto the lighter socket to retain the dash bezel.
I have a 66-67 Cutlass dash that I may be able to rob one off of, but haven't checked to see if it's the same, yet.
I have a 66-67 Cutlass dash that I may be able to rob one off of, but haven't checked to see if it's the same, yet.