Intake on it says its for a 340hp 409 so the heads are small port probably 817 but could be 333. Looking for a small port polished for a single carb means you basically have to get yourself an Edelbrock and have someone polish it for you. That is about your only choice that I can think of.
Hi Tranpro and welcome to the form I have not found one yet you can email some pictures of it and how much you would want for that would be great
My email is ron29pedlecar@msn.com