QA1 LK21-GMT03 - Lowering Kit, 14-18 Silverado/Sierra 1500, 2WD, Stamped Steel/Aluminum Arms, Single Adjustable

4/6 Lowering Kit, 14-18 Silverado/Sierra 1500, 2WD, Stamped Steel/Aluminum Arms, Single Adjustable QA1 lowering kits offer easy and precise adjustments for your truck's stance. Fully threaded front coil-over shock bodies provide adjustment without the use of clumsy shims or spacers. If you're looking for a 4/6 drop or looking to be even a bit lower, QA1's lowering kit is the ideal solution to achieve the perfect stance for you. The front coil-overs and drop offer a drop range of 3"-5" in the front. For the rear, you can lower it within a range of 4-6" with ½-inch increment adjustments. Only compatible with trucks that have factory Aluminum or Stamped Steel control arms. Only compatible with 2014 to 2016 trucks using Aluminum or Stamped Steel control arms. Will NOT work on 2014 to 2016 trucks with Cast Steel control arms. Direct fit for 2017 and 2018 trucks Must be used with 18" minimum diameter wheels Axle U-bolts not included Does not fit 1500HD model trucks or 2007 Silverado/Sierra 1500 Classic Offset upper control arm bushings (AcDelco PN 45K0201) may be required on vehicles lowered more the 2.5” to align within the factory specifications.