I used a set on a '70 Camaro that I sent to Oz, and no problems with it...and the set I got for my local buddy are on his wife's daily driver '66 Mustang with no problems..
Both lighter than a B body, but no issues with them at least.
Other option with be the American Eagle 2 piece version..they are US made at least...and a little cheaper than the actual American Racing ones.
Here is a pic of the Camaro...this was back with thier old style REV center cap as well.
Oh, and from memory wholesale price on the 17" ones are around $80 each or so from memory