There are ways to find anything if you have the money. For what it sounds like what you are looking for, your best bet would be to find reproduction parts to make it look like a clone of the original.
Year One
D & R Classic Parts
Classic Industries
I just did a google search and found the places above. There are many places to find parts, even Ebay. I wish you luck with what you want to do, I have always wanted to restore a '68 SS Camaro.