But you will need the collar. The wheel by itself will have nothing to bolt to. I don't know if the wheels come with the collar or if it is sold separately.
I got the whole kit from The Parts Place so hopefully it has everything I'll need. And Yardley, I love your website but don't you ever check your email?
Yeesh! I don't use that one because of all the spam. It seems as though adding my email address to the website has provided me with massive amounts of spam. I just looked through 3500 emails and picked out all the Buick ones and will be sending a reply to each one.