1. 4" suspension lift, with ~2" bumpstop extensions in front and ~2.5" in the rear. See info about CV shafts here.
2. ~2.5" suspension lift, with a 1.25" body lift, with ~1-1.25" bumpstop extensions in front and ~1.25-1.5" in the rear. The 1.25" BL usually accompanies a 1" Motor Mount Lift to offset some of the driveline angles.
Either way you go, figure on some or many of the following components: longer front brake lines, extended sway bar links front and rear, gears, brake and steering upgrades to accommodate larger tires, SYE, CV shaft, bumpstop extensions, new shocks, adjustable track bars, and a rear track bar bracket.
This is probably your best bet. Wont affect driveline angles, wont need anymore parts to swap, lets you keep all of your parts, probably cheapest, and gives you an extra 1.25 and sets you up for a tummy tuck if you plan on it for the future.
1998 Jeep Wrangler, 4.0 I6
33x12.50 Goodyear Wrangler Duratracs
3 inch Zone suspension lift, Rubicon Express adjustable front track bar, 1.25 inch body lift.
A tummy tuck replaces the factory skid plate that acts like a shovel with a flatter skid that gives you more clearance. An SYE (slip yoke eliminator) helps driveline angles allowing you to lift it higher without getting vibes.