simple. 2 nuts towards rear of bar, facing up towards cab. loosen top nut put a wrench on lower nut, socket and ratchet on lower. COUNT IN HALF TURN LOOSENING INCREMENTS , duplicate # of turns for opposite side. mine took 25 COMPLETE turns to drop 2". tighten lock nut...ALIGNMENT A MUST. count on stiffer shocks, loosening torsion really softens front end bounce