BDS 6 Inch Lift Kit | Chevy Silverado & GMC Sierra 1500 (2014-2018) 4WD | Block Kit, NX2 Nitro Series, Aluminum / Stamped Steel Control Arms

This configuration includes the rear block lift kit and NX2 Nitro Series rear shocks, designed for trucks with Aluminum or Stamped Steel control arms. The 5" cast iron rear block replaces the factory 1-1/4" block, netting approximately 4" of rear lift to level the vehicle at the correct pinion angle. NX2 Nitro Series shocks feature a nitrogen-charged twin-tube design, 10-stage velocity-sensitive valving, dual-welded ends, a 1-3/8-inch high-flow piston, self-lubricating seals, and a silver powder coat finish.

Overview

The BDS 6-inch lift kit for the 2014–2018 Chevy Silverado and GMC Sierra 1500 4WD is engineered to improve stance, off-road performance, and capability, providing clearance for up to 35-inch tires. The kit uses BDS's high-clearance design to improve ground clearance, strength, and off-road protection while correcting suspension and steering geometry for on-road handling. Up front, the kit utilizes full-length replacement strut shocks, high-arched 1/4-inch thick steel crossmembers, a multipiece differential relocation bracket system, and heavy-duty skid plates. Steering geometry is corrected at the new ride height with CNC-machined ductile iron steering knuckles. Sway bar drops, bump stop extensions, brake line brackets, CV spacers, and all necessary hardware are also included. In the rear, buyers may choose between a replacement lift block or a full Glide-Ride leaf spring option, paired with new U-bolts, brake line brackets, and either NX2 Nitro or FOX 2.0 Performance Series rear shocks.

Control Arm Compatibility Notice: GM produced several knuckle and control arm configurations in 2014–2018 model year trucks. Cast Steel control arm equipped models require the Cast Steel Control Arm kit. Stamped Steel and Aluminum control arm equipped models require the Aluminum Control Arm kit. Verify which factory control arms are installed before ordering.

Features

• High-clearance crossmember design maximizes ground clearance using heavy-duty 1/4-inch thick laser-cut steel
• Front skid plate system bolts together to form a rigid subframe for added off-road protection
• CNC-machined ductile cast iron steering knuckles correct steering geometry at the lifted ride height and maintain ESC system compliance
• Multipoint differential relocation brackets secure the front axle and improve CV angles
• Full-length replacement front strut shocks
• Sway bar drops, bump stop extensions, brake line brackets, and CV spacers included
• Rear lift available as a replacement block kit or Glide-Ride full leaf spring replacement
• New U-bolts and rear brake line brackets included
• Factory Protection Plus drivetrain warranty included

Specifications

• Lift Height: 6 inches (front); approximately 4 inches net rear lift (block option) or full lift via replacement leaf springs
• Front crossmembers: 1/4-inch thick laser-cut high-arched steel
• Steering knuckles: CNC-machined ductile cast iron
• Rear block (where applicable): 5-inch cast iron, replaces factory 1-1/4-inch block
• Tire clearance: Up to 35 inches
• Compatible with factory tie rod ends

Installation

• Estimated Time: 8–10 hours
• Difficulty: Difficult
• Tools Required: Cut-off wheel or equivalent, reciprocating saw, strut compressor, welding equipment

Important Notes

• Strut compressor required
• Requires frame bracket modification
• Requires differential modification to clear electric power steering
• Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference
• If choosing the 5" rear block option, add-a-leaf #111209 is recommended for a more level or tail-high stance on crew cab models
• All wheel drive models require driveline modification
• Will not fit MagneRide magnetic ride control equipped models