If you want a stock-ish look, a *front* FJ55 bumper bolts nicely to the *rear* of an FJ55. Those flimsy sheet-metal bumper ends on an FJ55 can't never bed made straight, and have the durability of a Coors beer can. You may want to do a custom bumper, but this is just an idea for you.
Colo Springs, CO
'78 FJ40, '89 FJ62, '98 4Runner