Important Notes
- Check Control Arms: GM produced cast steel, stamped steel and aluminum control arms between 2014 and 2017. Use the reference image to help identify your stock control arms; cast steel will be replaced with cast steel, stamped steel and aluminum control arms will be replaced with aluminum.
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Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference.
- All wheel drive models may require front CV driveshaft. See installation instructions for more information.
- Will NOT fit models equipped with MagneRide magnetic ride control.
- For optimal tire clearance and reduce the need for trimming, use 20x9 wheels with 5.75" backspacing.
Features & Benefits
- Corrects suspension, steering, and drive-line geometry for great on-road handling and improved off-road performance.
- FMVSS No.126 compliant to work with your vehicle's stability & traction control systems without lighting up your dash like a Christmas tree.
- Heavy-duty differential skid slate improves offroad protection.
- High-strength, 1/4" steel construction crossmembers correct lower control arm geometry.
- High-strength, CNC machined, replacement steering knuckles improve strength while correcting steering angles.
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Multi-point differential relocation brackets secure front differential for improved CV operating angles.
- Proudly made in the USA.
Rear lift block and longer U-bolts for easy installation and level stance.
- Weld-in frame support plate for additional strength.
Take your Silverado/Sierra 1500 to new heights with this 4.5" lift kit from Zone Offroad. Kits include everything needed from high strength crossmembers and steering knuckles to strut spacers and rear block kit to level out the stance. Get the look, performance, and capability your truck deserves with clearance for up to 33" tires.
Recommended Tires & Wheels
(Trimming may be required)
- 33 x 12.5 with 17 x 9 and 5 in. Backspace
- 33 x 12.5 with 18 x 9 and 5in. Backspace
Rear Shock Option
Nitro Series
- Nitrogen-charged
- Twin-tube design
- 10-stage velocity-sensitive valving
- Dual-welded ends for increased strength
- Self-lubricating seals
- Black powder coat finish
FOX 2.0 Adventure Series
- 2-inch diameter steel body
- Internal floating piston (IFP) monotube design
- Large 5/8-inch hard chrome plated heat-treated alloy steel shaft
- Race-developed high-flow piston design
- Application-specific valving to maximize performance
- Long-lasting silver coated finish
Factory Control Arm Type
*IMPORTANT*: GM is producing several knuckle/control arm configurations in 2014-2018 models trucks. Cast Steel control arm equipped models will require the "Cast Steel Control Arm" kit. Stamped Steel and Aluminum control arm equipped models will require the "Aluminum Control Arm" kit. Be sure to verify which factory control arms your truck has before ordering by referencing the help images in each tab below.
