This is why reproduction parts are the ABSOLUTE, LAST resort for me. I will do ANYTHING before I use aftermarket parts.
As a good friend of mine said as he pulled a repro part out of a box that just came in the mail...
"If they wanted to be honest, instead of Exactly as original in the catalog they would say Similar to original, can be used if nothing else is available."
I think that is pretty profound, "similar" to original" is about all you can expect from repro parts. Yes, there are a few like Bob Drake stuff that is pretty remarkable. But I haven't looked at their stuff close in years, it is probably Chinese crap these days too. But back in the seventies and eighties he had stuff that was BETTER than original.
These days, all I see is junk.
If your bumper isn't the same, you have two options, one get a hold of the company and see if they have better, I doubt they do. Second, get your money back and have an original bumper repaired and plated. There are companies that do this all over. We have one that comes to our shop with one phone call to pick up a bent bumper and bring it back in a few days looking like new.
Brian