Good luck! I've been looking for decent interior trim pieces for our 82 with no factory headliner and it's a miserable experience. What few pieces I can find in junk yards or online are mostly in very poor condition. No-one seems to make any of these parts anymore, though a few places used to.
If you check ebay or junk yards you may find a piece here or there. That is what I have been doing. Once I get everything I need, which is less than what you need, I plan to clean them up and dye them to match.
Will
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1982 F-250 HD 4x4 400/C6 4.10 Dana61 (Borgeson/Bluetop/Lee, 3G)