With a SOA and 4" springs, you'd have a total lift of about 9-1/2 inches. I wouldn't want to be in a YJ with that much lift. What size tires you plan to run, and what axles would you be running?

1977 CJ-7, fiberglass body, AMC 360 w/ headers, DUI ignition, Edelbrock intake and Holley 4150 carb, TF999, Dana 300, 4.56 gears lockers, York air comp, 4" susp lift, 2" body lift, BFG 35" M-T tires, Megashifter, AGR pump & box, REP8000 winch.