Originally Posted by
BenFenner
One thing to note. Your Miata wheels probably have 54.1mm center bore (I think!). Our wheels are 59.1mm. Just keep that in mind. They might not mount at all because of this...
most wheels come with a center bore large enough to fit most all cars with a centric ring, off the top of my head i can only think of a few wheels with miata sized center bores from the factory.
however, if he does, in fact, have 54.1 centers you can have them machined at a machine shop.