My personal belief on this is that the style with the lines going all the way to the bezels are the ones that came on a truck from the factory. The other version is the style now being reproduced. I can't see that GM would have had 2 different styles of dies to stamp these out. Maybe they did the little change so that you could tell if the front end of a truck was hit and had been replaced, yah thats a little far fetched maybe. Who knows
I have all kinds of magazine ads of these trucks from 30 years ago and all of the trucks in the pictures have the continued line style.
Since we are showing grills, here you go.
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