I bought front and rear repops from Ames several years ago (5). I must say, the fit was perfect and the finish IMO is decent. The back one has no issues at all and the only issue with the front is the bottom edge that is closest to the grills and that you see when standing looking at the car, the chrome is not perfect at all. Not sure why, but this is the ONLY place where the chrome is not super shiny and smooth, it's a bit rough.
However, the fit of the front bumper is perfect. I will say, it did take several hours of fine tuning and adjusting all the bolts etc. to get it lined up just right with the front edge of the fenders but I would expect that even with an OEM bumper...