Yeah, My brother bought a set of tubular control arms from Magnum Farce, I mean force, and they wouldn't fit. They were about 1/2 inch too wide.
So, he called them up and they said that he would have to break out his grinder and make them fit!
There reasoning was that the cars built back in the 60's and 70's have a wide range of specs and that some modification would be required.
WOW! And they would even give him his money back...