2007-2013 Chevrolet Avalanche 1500 Uni-Ball Upper Control Arms with Camber/Caster Adjusting & Lockout Kit 2WD 4WD Cherokee KL They are a twin-tube construction

They are a twin-tube construction with a hardened piston rod vs

2x Front Polymer Lift Spacers

Supreme Suspensions® offers 2" rear Dodge Durango lift & leveling options to enhance the clearance

Heavy duty steel Lift Shackles will lift the rear by 2€�

depending on the condition of your spring pack

2007-2013 Chevrolet Avalanche 1500 Uni-Ball Upper Control Arms with Camber/Caster Adjusting & Lockout Kit 2WD 4WD Cherokee KL They are a twin-tube constructionFeatures: Includes Complete Set of 2x Steel Tubular Uni Ball Chevrolet Avalanche 1500 Upper Control Arms Includes Driver and Passenger Caster Camber Lockdown Kit. Includes New High Strength Upper Control Arm Mounting Bolts Includes Multiple Misalignments for All OEM Suspension packages, Including Cast Steel, Cast Aluminum, and Stamped Steel Options. CAD CAM Engineering Processes, Precision Laser Cutting & CNC Formed tubes. IASTM 4130 Chromoly Cold