Brand ?KAX Position Front Upper Lift 2-4" Lift Fitment 2007-2018 Silverado 1500 2WD/4WD 2007-2014 Avalanche 1500 2WD/4WD 2007-2014 Suburban 1500 2WD/4WD 2007-2014 Tahoe 2WD/4WD 2007-2018 Sierra 1500 2WD/4WD 2007-2014 Yukon 2WD/4WD Product Dimensions ?13.78 x 13.78 x 5.91 inches Model ?Control Arms Item model number ?Control Arms Exterior ? Manufacturer Part Number ? Item Weight ?16.94 pounds Front Upper Control Armsfor 2007-2018 Silverado GM Sierra 1500 FOR 2-4''lift White 2pcs package (MATERIALS)The control arm assembly is made of high-strength steel for unmatched strength and durability with no weld weaknesses. Ball joints provide rotational movement between the steering joint and the control arm, providing a safe and smooth ride. (Superior Quality)The control arm is made of high quality material with good abrasion resistance, high temperature resistance, corrosion resistance and aging resistance, which ensures maximum strength and durability and long service life. (Professional manufacture)CNC bending thick tubes, CNC machined control arms are pre-assembled with bushings, mounts and ball joints, all parts are made of the latest high-strength materials, which can better ensure the stability of the vehicle. (Surface treatment) The anti-corrosion coating on the control arm extends the service life and prevents rusting, and the surface coating is environmentally friendly. Front Upper Control Armsfor 2007-2018 Silverado GM Sierra 1500 FOR 2-4''lift White 2pcs package