Welcome malibu,
If you go to this thread and scroll down a little, there is a link to a page where I am pretty sure it will give you an answer to your question.
http://chevelleforum.org/showthread.php?t=1373
If you end up needing the center caps and beauty rings, contact me, I might be willing to let mine go. They have been packed away for a while now and I don't think that I will ever go back because I really like the look of my tires and rims.
Here is a pic of my car. The tires and rims were a gift from my hubby last year.
