The Kryptonite Stage 2 Leveling Kit KR10STAGE2 allows you to install up to a 32" tire on your GM Silverado/Sierra 2500HD/3500HD. This leveling kit is made with pride here in small town USA and features Kryptonite Upper Control arms that are laser cut and welded into an extremely strong boxed design. The Kryptonite control arms are a fantastic upgrade for a leveled or lifted heavy-duty truck but is also a great upgrade for your stock ride-height truck. The leveling kit also includes robust torsion keys and shock extension as well as the upper bumps you'll need for installation. FEATURES:• Shock Extensions• Fits Up To 32" Tire• Kryptonite Bolt On Upper Ball Joints• Kryptonite Laser Cut & Welded Upper Control Arms KIT INCLUDES:2 x Leveling Keys2 x Shock Extensions1 x Hardware Package2 x Upper Bump Stops4 x Control Arm Sleeves8 x Control Arm Bushings1 x Kryptonite Upper Control Arm Pair2 x Kryptonite Bolt On Upper Ball Joints WARRANTY INFO:Lifetime Vehicle Applications: 2001-2010 GM SILVERADO/SIERRA 2500HD/3500HD 2WD/4WD SPECIFICATIONS Fuel Type Diesel / Gas Prop 65 WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov