This configuration pairs a rear lift block kit with FOX 2.5 Performance Elite rear shocks. The 5-inch cast iron block replaces the factory block, delivering approximately 3 inches of rear lift to level the vehicle while maintaining correct pinion angles.
The FOX 2.5 Performance Elite shocks feature a 2.5-inch impact extruded aluminum body, a massive 7/8-inch hard chrome plated heat-treated alloy steel shaft, an external reservoir design, and a standard DSC (Dual Speed Compression) adjuster for precise terrain, load, and speed tuning. Fully serviceable with a 1-year manufacturer's warranty.
Overview
This BDS 4-inch lift kit is designed for 2WD 2007–2013 Chevy Silverado and GMC Sierra 1500 trucks. The kit improves stance, ground clearance, and off-road capability while correcting suspension and steering geometry for on-road handling. It includes clearance for up to 35-inch tires and comes with all necessary hardware for a comprehensive front and rear suspension lift.
Up front, the kit uses full-length replacement strut shocks, high-arched 1/4-inch-thick steel crossmembers, heavy-duty skid plates, and CNC-machined ductile iron steering knuckles to correct steering geometry at the new ride height. Sway bar drops, bump stop extensions, and brake line brackets are also included. In the rear, choose between a cast iron lift block kit or complete Glide-Ride leaf springs, paired with your choice of FOX rear shocks.
Features
- High clearance crossmember design maximizes ground clearance — heavy-duty 1/4-inch-thick laser-cut steel construction
- Front skid plate system bolts together to create a rigid subframe with added off-road protection
- CNC-machined ductile cast iron steering knuckles correct steering geometry at new ride height and maintain ESC system compliance
- Works with factory tie rod ends to maintain proper steering angles
- Multipoint differential relocation brackets secure the front axle and improve CV angles
- Sway bar drops, bump stop extensions, and brake line brackets included
- Rear lift available as a cast iron block kit or Glide-Ride multi-leaf progressive leaf springs
- FOX Performance Series IFP gas rear shocks improve ride and off-road performance
- Factory Protection Plus drivetrain warranty included
Specifications
- Lift Height: 4 inches
- Tire Clearance: Up to 35 inches
- Crossmember thickness: 1/4-inch laser-cut steel
- Steering knuckles: CNC-machined ductile cast iron
- Rear block: 5-inch cast iron (delivers approximately 3 inches of rear lift)
- Leaf springs: Multi-leaf progressive design; maintains factory payload weight ratings
- Recommended wheel: 20-inch with 5- to 5-3/4-inch backspacing to reduce trimming
Installation
- Estimated 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
- Traction bars will not fit regular cab short box models
- 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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