The heart of the Zone Offroad 5" 2011-18 HD lift kit is a pair of one piece ?" steel crossmembers combined with the CNC machined steering knuckles to create OE geometry for a quality ride. Also included is a laser cut differential skid plate, differential support brackets, torsion bar brackets, sway bar links, offset rear 3" lift blocks, stainless steel brake lines and custom valved shocks. This system is designed to level the truck and has zero change to the vehicle's track width allowing for clearance of up to 35x12.50 tires. No differential trimming required!
- 2011-2018 GMC/CHEVY 2500/3500 2WD/4WD
- 2015-16 Models Only: 20" wheels can not be reinstalled due to GM changing the wheel thickness.
- 3" Rear block kit for easy installation.
- CNC machined ductile iron steering knuckles.
- Differential skid plate for off road protection.
- Frame bracket modifications required for installation.
- Kit comes standard with upgraded Nitro (black) shocks.
- No Differential Trimming Required.
- One piece 1/4" steel crossmembers.
- Optional steering stabilizers (3103/7103) only fit vehicles that came equipped with a steering stabilizer from the factory.
- Rear kit designed for single rear wheel axles.
- Stock 17" or 18" Wheels cannot be re-installed.
- Stock 20" wheels cannot be reinstalled on 2015-2018 models.
- The front differential parts will not be used on 2wd models.
- The ID of the 20" wheels are smaller on 15-18 models.
- Torsion bar unloading/loading tool required.
- Vehicles equipped with a two piece drive shaft and a carrier bearing require bearing drop kit (C5612).
- Will fit 2wd models.
- With a 20" Wheel 5"-6" backspacing is recommended.
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