Rear Traction Bars Kit for Silverado Sierra 1500 4WD 7.5" Lift 2007-2018 These traction bars help prevent wheel hop and axle wrap by aligning and stabilizing the rear axle geometry, allowing full suspension travel and articulation without binding.Designed to fit vehicles with stock height up to 7.5 inches of lift. Compatible with Silverado 1500 4WD and Sierra 1500 4WD models from 2007 to 2018.Not compatible with 2007 models. Constructed from steel with a black finish.Includes adjustable heim joint ends for precise tuning.Kit includes traction bars, axle brackets, frame brackets, and necessary hardware. Installation requires drilling holes.Professional installation is recommended. This is a non- replacement.Any reference to brand names or models is strictly for compatibility purposes.