Another Mopar Off My Bucket List - Barracuda Fastback

360DartGT66 said
Well, define 'original'. I don't know anything about these things. They say 'Shelby "Cal 500"' inside.
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Anders, I tried to do a little research on those rims and came across a thread on another site that was discussing them.

Shelby History and Miscellaneous Topics

After reading through the posts I'm not certain they were off of an actual Shelby but it sounds as if they could have been. Give it a read and see what you think.