[HOTWHEELSBOY28]

The "plastic" between the bumpers and the body front and rear for my 80 LaSabre

 

[pasadenahotrod]

Believe it or not, some of that plastic, or maybe even all of it, might still be available from your local Buick Dealer. You'll be very lucky to find a partsman who will do the research to see, but if you do, goldmine!