with one was working, i mean just one was doing the job... and i think that for a month more or less idk
i heard a knock when i got a hole, but never think of that
the steering wheel was shaking on high speeds and when braking, so i thought it was a bad alignment
About your question,
the OEM alignment is made in the cross member, but it only adjust the wheel inside/outside the car (in a top view of the car)
with the camber kit, which could be those or in the ball joint, you can adjust the wheel inside/outside the car (in a side/front/back view of the car)
