Description
Take your Chevy Trail Boss and GMC AT4 1500 truck to the next level with 4-inch suspension lift kit by BDS. Designed to improve stance, performance, and capability, this kit includes everything necessary to set your truck up right with clearance for up to 35″ tires.
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 top mounted strut spacers, upper control arms, 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 NX2 Nitro or premium FOX 2.0 Performance Series shocks.
HD Upper Control Arms (UCAs)
Built for strength, performance and increased travel, these upper control arms are ready to bolt-in with most leveled/lifted trucks. They use 1.5″ OD x .120-wall tubular construction with an indexed ball joint cup to correct the ball joint positioning allowing additional down travel and camber adjustment. At the frame mounting ends are durometer-specific rubber bushings for maintenance-free operation while at the other end a quality greaseable ball joints for smooth, quiet operation and superior durability. Arms are finished in a durable black powder coat with a billet aluminum dust cap ready for installation right out of the box.
High Clearance Crossmembers
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.
Heavy Duty Steering Knuckles
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
- High clearance crossmember design maximizes ground clearance
- Robust steering knuckles maintain ESC system compliance
- High-strength replacement upper control arms provide durability and serviceability
- HD skid plate system improved offroad protection
- Multipoint differential relocation brackets to secure the front axle and improve CV angles
Brand Overview
BDS Suspension offers a wide range of premium suspension parts and components to complete the build of your high-performance truck or Jeep. All BDS products are made in the USA and powder coated for a superior ultra-premium appearance. On or off road, if your truck is running BDS Suspension, you’ve got the hardest charging, best driving, sharpest looking equipment money can buy.
- 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 Turbo models use Diesel kit for proper skid plate fitment..
- If equipped with a mono-leaf rear spring please use part #UBT4064.
Quick Specs
- Front Lift Method: Cross-Member
- Rear Lift Method: Block
- Shocks Included: Yes
- Front Lift Height: 4″
- Rear Lift Height: 4″
- Install Difficulty: Difficult
- Est. Install Time: 8 hrs
- Required Tools: 36mm Socket, Cut Off Wheel or Equiv., Ball Joint Separation Tool, Reciprocating Saw, Welding Equipment
What’s Included
- (1) BDS011518 2019-2024 Chevy/GMC 1500 5″ Rear Box Kit
- (1) BDS021405 2019-2024 Chevy/GMC 4″ Strut Spacer Box
- (1) BDS021664 2019-2024 Chevy/GMC 1500 Knuckle Box 1of2 w/UCA (4″ and 6″ Compatible)
- (1) BDS021665 2019-2024 Chevy/GMC 1500 Knuckle Box 2of2 w/UCA (4″ and 6″ Compatible
- (1) BDS021682 2019-2024 Chevy/GMC 1500 6″ Front Box Kit 1of2
- (1) BDS021685 2019-2024 Chevy/GMC 1500 6″ Diesel Front Box Kit 2 of 2
- (2) FOX98224759 Fox 2.0 Shock 30.05 x 18.45 x 2- EB1/EB1
Recommended Wheels and Tires
- 34 x 12.5 Tires w/ 17 x 9 Wheels w/ 4.5 Backspace
- 34 x 12.5 Tires w/ 18 x 9 Wheels w/ 4.5 Backspace
- 35 x 12.5 Tires w/ 20 x 9 Wheels w/ 6.25 Backspace
Instructions
Instructions 1 (pdf)
Fitment
- 2020 GMC Sierra 1500 AT4 DIESEL 148794
- 2021 GMC Sierra 1500 AT4 DIESEL 152790
- 2022 Chevrolet Silverado 1500 Custom Trail Boss DIESEL 160357
- 2022 Chevrolet Silverado 1500 LT Trail Boss DIESEL 160357
- 2022 GMC Sierra 1500 AT4 DIESEL 160356
- 2023 Chevrolet Silverado 1500 Custom Trail Boss DIESEL 162575
- 2023 Chevrolet Silverado 1500 LT Trail Boss DIESEL 162575
- 2023 GMC Sierra 1500 AT4 DIESEL 162749
- 2024 Chevrolet Silverado 1500 Custom Trail Boss 4WD DIESEL 168299
- 2024 Chevrolet Silverado 1500 LT Trail Boss 4WD DIESEL 168299
- 2024 GMC Sierra 1500 AT4 4WD DIESEL 168290 X
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