I’d have to rummage through my Willys and AMC parts bins and the books to see what I’m in need of. As much as possible I try to recycle current parts. Powder coat and if I have to paint for preservation.
The recent economic upset has put some things on hold.
That being said, my dad has a 65 willys project jeep and his is more needy than mine. Some chassis and other metal parts simply don’t exist any more or the cheap aftermarket stuff is usually junk.
Instead of powder coating look into cerakote