I justed added a 2 inch lift to my 01 supercrew by adding procomp leaf to the rear and a set of torsion keys for the front. everthing looks great, but the only thing it that the upper control arm have not rubber bump stops when they bottem out like the GMs do??? any ideas on how what to do?? its not really hurting any thing it just glangs eveytime u it a pothole or so and ur front wheels fall to ther travel.