The Firebird people have been begging, screaming, pleading for years for someone to reproduce the 70-73 Firebird steel tail panel (which includes the rear valance as one big piece).
The ridiculous response you get from the aftermarket is this:
"Well, we make the one for the 74 to 81 cars and it doesn't sell too well, so were not going to do the 70-73 panel."
That is the stupidest reasoning I have ever heard. The 70-73 cars are the ones that people are restoring. They are the cars that are worth the most and are restored far more frequently than the later model cars but these guys just dont get it.
It's like saying you wont make 69 Camaro quarters because the 1992 quarters you make dont sell so well.
Here's the one they make for the 74 and up: