I have a couple working gates with hinges. PM me with your # and I'll send you some pictures when I can.
I don't have a headliner I can part with, but I might be able to "copy" it with fiberglass. I'm actually mating the rear of mine with the xj front to gain use of the overhead lights.
Rich
Ps. I'll be at my place in pine grove next week for Nacfest, I could bring up the gate then.