Rough Country - 722.20 - Front 2-inch/Rear 4-inch Spindle Lowering Kit w/Premium N2.0 Shocks for Chevrolet: 99-06 Silverado 1500 2WD; GMC: 99-06 Sierra 1500 2WD FITMENT: Chevrolet: 99-06 Silverado 1500 2WD; GMC: 99-06 Sierra 1500 2WD KIT CONTENTS: Front: Lowering spindles and hardware; Rear: Spring hanger brackets, axle saddles, u-bolt plates, u-bolts, and hardware; Shocks: (2) Premium N2.0 Rear Shocks BENEFITS: Easy installation; Drops the front 2-inches, and the rear 4-inches, for a level stance; Can be fully realigned to factory specs; Maintains factory ride quality; Can be returned to stock height; Rear drop is adjustable between 4-inches and 4.5-inches TECHNICAL NOTES: Requires 17-inch, or larger, wheels; Requires minor cutting and drilling; Requires rear axle flip ITEM SPECIFICS: Installation Time: 2-4 hours; Backspacing: Factory; Weight: 77.43-lbs