What part of the country are you in?
Do you know what ratio your axles have?
What rear axle is in it? (most likely a m35)
How big a tire do you want to run and what size tire can you afford now.
Are there jeep clubs in your area? Hang out with a few and see how you and your rig fit in?
Join a club.
The resources alone of a club environment are great for helping build a rig, but also to help keep you safe on a trail ride.
Learning trail manners.
Finding cool trails.

LUK makes the best clutch for your rig, Centerforce is a nice name and they are great in race cars, but not so good in jeeps.

You can get a ton more and better info if you answer those question above, we are always glad to help.

SD