Rough Country - 203-3.25-inch Suspension & Body Lift Combo Kit (Factory Cast Steel Control Arm Models) for Chevrolet: 07-13 Silverado 1500 4WD/2WD; GMC: 07-13 Sierra 1500 4WD/2WD FITMENT: Chevrolet: 07-13 Silverado 1500 4WD/2WD; GMC: 07-13 Sierra 1500 4WD/2WD KIT CONTENTS: Front: Lower strut mount extensions and hardware; Body Lift: 1.25-inch body lift pucks, front bumper brackets, ground strap bracket, and hardware BENEFITS: Easy installation; Maintains factory ride quality; Increased ground clearance; Levels front with the rear of vehicle; No need to disassemble your struts to install; Body Lift provides 1.25-inch lift, as opposed to the standard 1-inch; Body Lift includes front bumper brackets; Rear bumper is relocated using factory brackets; Fits both standard cab and 4-door models; Body lift pucks are made from fiberglass reinforced nylon for superior strength and durability TECHNICAL NOTES: Fits cast steel factory control arm models only; Does not fit cast aluminum factory control arm models ITEM SPECIFICS: Installation Time: 2-3 hours; Backspacing: Factory; Recommended Tire Size: 285/75 R17; Weight: 19.95-lbs