Who was making ignition insulator on valve cover

Are you talking 2 barrel?
I have 4 barrel and both are identical to each other.
PS, I can send a pr of oem ones to you, just send back when done
Good catch, yep 2bbl.

If the OP wants me to make some I'll hit you up.

I have the ones from my 67 2bbl if they are the same.