well, hard to say w/o looking but sounds like the previous owner put a dropped pitman arm on the jeep to correct the steering geometry problem that is associated with lifting whether a body lift or a spring lift. this is what a dropped pitman looks like:
http://www.jeep4x4center.com/product-information.asp?number=WAR800016
a stock pitman arm will not have the downward curve to it. it will be a more or less straight piece.