This kit includes Zone Nitro Series rear shocks featuring a nitrogen-charged twin-tube design, 10-stage velocity-sensitive valving, dual-welded ends for increased strength, self-lubricating seals, and a 2-inch diameter steel body with black powder coat finish.
Overview
The Zone Offroad 4.5-inch lift kit for the 2007–2013 Chevy Silverado and GMC Sierra 1500 2WD is engineered to improve stance, performance, and capability while providing clearance for up to 33-inch tires. Up front, the kit uses full-length replacement strut shocks, high-arched 1/4-inch thick steel crossmembers, a multi-piece differential relocation bracket, and heavy-duty skid plates for off-road protection. CNC-machined ductile iron steering knuckles correct steering geometry at the new ride height, working with factory tie rod ends to maintain proper steering angles and ESC compatibility. Included sway bar drops, bump stop extensions, brake line brackets, CV spacers, and all necessary hardware complete the front suspension package. In the rear, a replacement lift block installs in place of the stock block to lift and level the stance while retaining ride quality and load capacity. New U-bolts, brake line brackets, and precision-tuned rear shocks round out the rear suspension upgrade.
Features
- High-clearance crossmember design maximizes ground clearance
- Heavy-duty laser-cut crossmembers provide a precise fit
- HD skid plate system bolts together to form a rigid subframe for improved off-road protection
- CNC-machined ductile cast iron steering knuckles correct geometry at the new ride height
- Robust steering knuckles maintain ESC system compliance and work with factory tie rod ends
- Rear replacement lift block retains ride quality and load capacity
- FOX Adventure Series IFP gas rear shocks or Zone Nitro Series rear shocks included (see variant)
- Factory Protection Plus drivetrain warranty included
Specifications
- Front Lift Method: Cross Member & Strut Spacer
- Front Lift Height: 4.5 inches
- Rear Lift Method: Block
- Rear Lift Height: 3 inches
- Overall Lift Range: 4–5.5 inches
- Shocks Included: Yes
- Tire Clearance: Up to 33 inches
- Front crossmember material: 1/4-inch thick steel (high-arched, laser cut)
- Steering knuckle material: Ductile cast iron, CNC-machined
Installation
- Estimated Installation Time: 8 hours
- Difficulty: Difficult
- Tools Required: Cut-off wheel or equivalent, reciprocating saw, strut compressor, welding equipment
Important Notes
- This system will not fit 2007 classic models.
- Installation of rear leaf springs requires removal of the fuel tank.
- Requires frame bracket modification.
- 20-inch wheels with 5 to 5-3/4 inch backspacing recommended to reduce trimming.
- Will not fit two-mode hybrid models with electronic power steering.
- Stock 20-inch wheels can be re-installed only with factory tire size.
- Factory 17-inch and 18-inch wheels cannot be re-installed.
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