I think the OP means flipping the u-bolts so the bolt ends don't drag and hang up over obstacles, not SOA.
Yes there are several kits, google should turn them up. Look for "u-bolt flip CJ".
'94 YJ - SBC/AX15/231, SOA, 8.8, 34" swampers
'06 LJ Rubicon - 31" ATs, OME 2.5", belly-up skid, other junk
'75 CJ5 - 232/T14/D20, 'glass tub w/ 2" BL, otherwise stock