The Cognito 3-inch Elite leveling kit for 2011–2019 Chevrolet and GMC Silverado/Sierra 2500/3500 2WD/4WD pairs Elka 2.5 reservoir shocks with SM Series upper control arms, torsion bar keys and Pitman/Idler Arm Support Kit to correct ball-joint angle and preserve droop travel. CNC-robot welded, powder-coated arms include heavy-duty ball joints, crush sleeves and polyurethane bushings for lasting ride quality.
Cognito 11-19 Chevy/GMC Silv/Sierra 2500/3500 HD 2WD/4WD 3in Elite Leveling Kit w/ Elka 2.5 RR