A brand new adapter will run around $450 (here’s one for $479). I suspect these are hard to find used.
“call for a pic or e-mail. there are no cracks and no abuse. i also have a ford bronco frame set up for a willys wagon 4×4. there is a 351w a c6 tranny and a np 208 transfer case. 1200.00 for the whole frame.”