depends on what type of camber kit you buy, but the one i have replaces my ball joints, then it allows your wheels to adjust for proper camber. mine has a bolt on top that you loosen and then the wheel starts to slide in and out, when its right, you tighten the bolt.

one type is a screw sort that chnaged out your upper a arm. the rear one is the hold out on the upper support arm, it is more like a tie rod in that its adjustable. rears are like 100 bucks, the fronts are about 160-200.

btw, camber is your wheels perpendicularity to the horizon/ground.