they all will sooner or later, , for one all the wieght is on the drivers side, the driver, and the fuel tank , so after a bit the springs will retain a memory of all the weight and sag to one side, but you would be better off with the bilsteins up front, you would have to change out the rear on a qc, the oem bilsteins will not fit if you have a flipped rear axle.
but shocks do nothing as far as raising or lowering a vehicle, all they do is absorb impact, only an air shock will actually raise a vehichle