Only replacing the worn items isn't always the best thing to do. You could get lucky and be fine for years to come, or be pulling it out in 6 months to replace the worn parts that you didn't the first time around.

More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed