Kryptonite Stage 2 Leveling Kit KR10STAGE2 The Kryptonite Stage 2 Leveling Kit allows you to run up to a 32" tire on your GM Silverado/Sierra 2500HD/3500HD. Proudly made in the USA, this kit features Kryptonite Upper Control Arms that are CNC laser cut, precision-welded, and built into an extremely strong boxed design. These UCAs are an excellent upgrade for leveled or lifted trucks, and they also provide a significant improvement for stock ride-height trucks. The kit includes robust torsion keys, shock extensions, and all necessary components for a complete installation. Features: Shock extensions included Fits up to 32" tires Kryptonite bolt-on upper ball joints Kryptonite laser cut & welded boxed upper control arms Kit Includes: 2 x Leveling Keys 2 x Shock Extensions 1 x Hardware Package 2 x Upper Bump Stops 4 x Control Arm Sleeves 8 x Control Arm Bushings 1 x Kryptonite Upper Control Arm Pair 2 x Kryptonite Bolt-On Upper Ball Joints