Up the ante in performance with your Chevy Silverado and GMC Sierra 1500 truck by installing the BDS 4-inch lift kit suspension featuring FOX 2.5 Performance Elite coil-over shocks. Designed to improve stance performance and capability this kit includes everything necessary to set your truck up right with clearance for up to 33" tires. These kits feature proprietary FOX 2.5 coil-over shocks designed specifically to bolt-on performance for increase travel and the ability to soak up the roughest terrain along with smooth on-road comfort. This kit takes advantage of BDS's tried and true high-clearance design for improved ground clearance strength and offroad protection while correcting suspension and steering geometry for great on-road handling characteristics. Up front the kit utilizes FOX 2.5 Performance Elite coil-over shocks high-arched 1/4-inch thick steel crossmembers along with a multipiece differential relocation brackets and heavy duty skid plates built for offroad protection. Steering geometry is corrected at the new taller ride height with CNC-machined ductile iron steering knuckles and replacement tie rod ends allowing for ESC system compatibility. These combined with the provided sway bar drops bump stop extensions brake line brackets CV spacers supplied hardware and more provide a comprehensive front suspension lift ready for whatever you throw at it. In the rear BDS offers a heavy duty lift block to lift and level that stance. The lift block installs in place of the stock block and retains ride quality and load capacity. Also for the rear are new u-bolts brake line brackets and precision tuned premium FOX 2.0 Performance Series shocks. FOX 2.5 Performance Elite shocks offer next level performance for on-road comfort and off-road comfort capability. Tuned and ready to install right out of the box these bolt-on 2.5-inch diameter shocks are built for abuse and packed with race-proven technology. They include a remote reservoir for additional fluid capacity to keep your shocks running cool so you can push the limits in the rough terrain. The DSC adjuster adds remarkable versatility and precise tuning with a simple twist of either two adjuster knobs offering 10 separate low-speed and 12 high-speed compression levels with a black anodized aluminum reservoir to increase cooling efficiency. BDS maximizes ground clearance with their heavy duty 1/4-inch thick laser cut perfect fit crossmembers. Paired with a front skid plate system that bolts together to create a rigid subframe while adding extra protection. BDS corrects steering geometry at the new taller ride height using a pair of high-strength CNC machined ductile cast iron steering knuckle design to work with replacement tie rod ends to maintain steering angles for proper function and ESC compatibility.

Features:

• Front Lift Height: 4
• Front Lift Method: Cross Member
• Installation Difficulty: difficult
• Installation Time: 8 Hrs
• Installation Tools: 36mm Socket-ballJointSeparationTool-cut off wheel or equiv-saw reciprocating-welder
• Rear Lift Height: 2
• Rear Lift Method: Block
• Rear Shock Option: FOX 2 0 Performance Series
• Shocks Included: Yes
• 4 Inch Lift Kit - FOX 2.5 Performance Elite Coil-Over - Chevy Silverado or GMC Sierra 1500 (19-23) 4WD - Diesel
• Requires frame bracket modification
• Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference stock 20" wheels can be reinstalled.
• 17" Wheels with 4.5" backspacing should be test fit prior to mounting the tire to ensure proper clearance to the steering knuckle / tie rod.
• All aftermarket wheels should be test fit prior to mounting the tire to ensure proper clearance to the brake caliper. Some wheel profiles will not clear the brake caliper. These can be test fitted before the vehicle is lifted in a stock condition.
• 2.7L models use Diesel kit for proper skid plate fitment
• Will NOT fit models with a single leaf spring (monoleaf) rear suspension.

Notes:

• FOX Performance Elite
• High Clearance Crossmembers
• Heavy Duty Steering Knuckles