2015 Denali 2500HD Mcgaughys 7-9" lift set at 9" Fox reservoir shocks Cognito Upper control arms Cognito pitman and Idler braces Suspension Maxx torsion Keys 38x13.50R22 Trail Grapplers 22x12 Hostile Sprockets GM/Chevy September 25, 2017 Brett Sparks No comments