A TTB axle out of a Ranger would do good.
It was Ford's first try on a semi IFS. I have a 44 TTB on my Bronco and they ride better than solid axles but you lose strength. May people use them for desert racing and such since the are in reason a 2 piece axle.
-1998 XJ Sport 4.0L-
-6.5" RE/Rustys/RC lift, Custom Y-link LAs, custom shackle relocation boxes, Pro Comp/RE monos-
-315/75/16 Toyo MTs on Moabs-
-Shaved 8.25 w/HD shafts/Auburn LS/4:10s, HP30 w/ Lock-right, sliders, HD track bar bracket, AA SYE, AppA TC skid, AFE intake, Magnaflow exhaust, Bored TB-