ReadyLift 1.75 Leveling Kit - 66-3921

In fall of 2018 we announced our new leveling and SST lift kit offerings for the all-new GM 1500 trucks. The 66-3921 leveling kit provides required amount of lift without causing conflict with the factory strut geometry and clearances. This front lift includes a longer front shock/strut assembly. ReadyLIFT customers have asked for it and we have delivered. When combining a traditional leveling kit on these factory lifted trucks, several issues present themselves including binding problems with the factory control arm ball joint and contact concerns with the lower strut/CV axle assembly.The ReadyLIFT 66-3921 1.75 leveling kit is similar to our popular 66-3086 leveling kit for pre-2019 trucks. In light of the factory upper control arm's lack of dynamic range when the AT4/Trail Boss truck is further lifted, this leveling kit includes our popular tubular upper control arms with corrected ball joint cup angles, heavy-duty replaceable ball joints and out new Terrain Control Technology (TCT) maintenance-free pivot bushings with side-biter washers to improve alignment retention.Note: AT4 and Trail Boss do not fit the same size tire. This is due to the difference in front fender opening design.66-3921 Leveling Kit:AT4 - Max tire 275/60-20, 20x9 0 offset wheelTrail Boss - Max tire 295/65-20, 20x9 0 offset wheel 1.75 front leveling lift for AT4 and Trail Boss;Includes DOM tube steel upper control arms;TCT maintenance-free pivot bushings and 1-ton ball joints;CNC machined aircraft-grade billet aluminum top and bottom strut spacers;California Residents: WARNING We specifically did not include the factory lift kit-equipped GMC AT4 and Chevy Silverado Trail Boss. The AT4/Trail Boss are factory equipped with a 2 front lift.

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ReadyLift 1.75 Leveling Kit - 66-3921