The best thing to do is OTT (over the top) steering set up. But, it has its draw backs. If not done precisely it will initiate death wobble in a heart beat.
The other option is to get a custom drag link that has the "S" bend in it to clear the springs. Either way, its going to cost.
Check out this link...YJ SOA: Spring Over Axle for Jeep YJ, SOA
. Google it. They have all the info and the parts that you need to take a YJ SOA.
'87 YJ, 4.2L built and bored, 8" of lift, 8.8 rear, AX15/NP 231J, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...