Does anybody know the name of the piece of trim that the sun visors bolt to, that runs across the top of the windshield for a vert?

I think you mean this? They also have 88-90 on their site.
http://www.hawksthirdgenparts.com/ca...nyl-1-1-1.aspx

Do you know if this is NOS or reproduction? I've got a pretty clean '92 Z28 vert with just a few little things I'd like to replace and this is one of them. I've also got a dash pad that's been "repaired" at the front edge on the drivers side at some point so may be looking for a NOS piece for that as well.

try and find a gm one repo never fit good or right

I have an NOS piece for $100 and shipping

You have the header panel for $100? Shipping to 60428? Will it fit an 88 Vert?

I am getting pics of all the stuff I have to get rid of tomorrow. it depends on if your 88 is an early 88 same style as 87 early 88 then later 88 were the same as 89-92. I have to see if I have a box big enough for it too.I have quite a bit of parts to get rid of (need some money) Oh and after reading the name of the thread it is called a "header trim piece"