I'm hoping some of the experts on the classic 'stangs can help shed some light on wheel center cap sizes for me.

I have an '05 convertible, and I just installed a billet aluminum and carbon fiber strut tower brace. The billet end mounts have a 2 1/8" access hole, which I'd like to dress up with a couple wheel center caps, prefereably with the pony tribar or the Ford oval.

In looking through some online catalogs, the only caps I see specifically listed as 2 1/8" are the black caps for the 60's Magnum 500's. They have the pony, but no tribar

Does anyone know if any of the other vintage center caps will fit a 2 1/8" opening?

A thread showing the brace setup is here: '05 strut brace topic

Here's a photo of the strut mount to give an idea what I'm talking about:

 

I think this thread will help you.
Looks like you might have to go with the mag 500 center which IMO would look pretty good.

http://forums.bradbarnett.net/index.php?showtopic=36308

 

Try looking at center caps for an 03' Mach 1 rim instead of a classic. I am not 100% sure of the size but it should be close and they offer a lot of different logos form stock ford to cobra.