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Obvious driver quality and I'm missing 3 of the plastic guide pieces and some of the screws. $40 plus shipping from 21048. Prices online are silly high. Here is an example. If you dont have everything to make a set I'm pretty sure I can 3d print them.
1969 1968 B-Body coronet gtx coronet charger headrests headrest parts pieces 69 | eBay
1969 1968 B-Body coronet gtx coronet charger headrests headrest parts pieces 69 | eBay