BDS734H | BDS Suspension 4 Inch Lift Kit For Chevrolet Suburban/Tahoe / GMC Yukon/Yukon XL 1500 4WD (2015-2019) | Factory Control Arm Aluminum / Stamped Steel, NX2 Nitro Series Shocks

• 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
• Factory Protection Plus drivetrain warranty included

• 32 x 12.5 with 17 x 8 and 4.5 in. Backspace
• 33 x 12.5 with 18 x 9 and 5 in. Backspace
• 33 x 12.5 with 20 x 9 and 5.75 in. Backspace

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 factory tie rod ends to maintain steering angles for proper function and ESC compatibility.

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.

Rear Shock Option

NX2 Nitro Series

• Nitrogen-charged
• Twin-tube design
• 10-stage velocity-sensitive valving
• Dual-welded ends for increased strength
• 1-3/8-inch high-flow piston
• Self-lubricating seals
• Silver powder coat finish

FOX 2.0 Performance Series

• 2-inch Impact extruded aluminum body
• Internal floating piston (IFP) monotube design
• CNC machined 6061-T6 aluminum mounting ends
• Massive 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 clear anodized finish

Important Notes

*IMPORTANT*: GM is producing several knuckle/control arm configurations in 2015-2016 model 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 our help images when customizing your kit.

1. Frame bracket modification and welding are required.
2. 20" wheels with 5" to 5-3/4" backspacing are recommended to reduce trimming.
3. AWD models may require front driveline modification
4. Factory 17" and 18" wheels cannot be reinstalled due to tie rod interference.
5. Will not work on auto-ride or magneride equipped vehicles.

Installation

Specification