@High2by one of two ways. A left handed bit a little bit larger then the hole and or a bolt extractor that will go in the hole. Do yourself a favor and go get one of these...
After running a 3 link for years. And I mean years. I wish my friend Andy had his kit out when I built mine. I'm biased on this but I love his kit.
https://ironman4x4fab.com/collections/4-link-systems/products/xj-front-4-link-system
Best guess is the splines don't go far enough in. But that is uncharted territory for me. You might could check that by measuring the tow past the rear of the case maybe?
To mod the 95 you would have to change the output shaft which requires you to tear the transmission all the way down. OS come out the front. I didn't see that mentioned. My experience is with 94's.