The BDS Suspension BDS1805H / BDS1805FS 4 inch suspension lift kit for the GMC Sierra AT4 1500 truck will allow for fitment of up to 37 inch diameter tires for a great off-road look. This is done without sacrificing ride quality and handling while being fully FMWSS 126 complaint.

This premium quality suspension lift kit is built around a set of 1/4 inch thick steel laser cut high clearance crossmembers that are designed to get maximum clearance and provide a rock solid mounting point for the factory lower control arms. Front strut spacer give additional height to the vehicle. 3 piece heavy duty front skid plates connects the cross members while protect steering and driveline components. Correct steering geometry is maintain using new ductile iron steering knuckles that keep the ESC system compatibility along with tubular upper control arms. CV axle angles are kept at a minimum using a multi-point front differential relocation system. The rear end is lifted using 4 inch tall axle blocks with extended U-bolts.

Features and Benefits:

• Lifts vehicle 4 inch front / 4 inch rear
• 1/4 Inch Steel High Clearance Crossmembers
• 3 Piece Heavy Duty Front Skid Plate
• High Clearance design max clearance
• Tubular upper control arms with rubber bushings and indexed ball joints
• Ductile Iron Heavy Duty Steering Knuckles keep ESC System compliance
• Multi-Point Front Differential Relocation System
• Allows use of up 37 inch tires
• Average Install Time: 8 hours
• Choice of BDS NX2 Shocks or Fox 2.0 Performance IFP Shocks
• Proudly made in the USA, using only premium quality components
• No Fine Print Lifetime Warranty
• FMVSS No. 126 (ESC System) Compliant
• Factory Protection Plus
• Fits a 37" x 12.50" tire w/20 x 9 / 22 x 9 (Chevy) and 5.5" back spacing
• Fits a 35" x 12.50" tire w/20x9 / 22 x 9 (GMC) and 5.5" - 6.25" back spacing
• Fits a 34" x 12.50" tire w/17x8 / 17x9 / 18x9 and 4.5" back spacing
  • *Trimming may be required*

Premium Quality, Lifetime Warranty and Protection

BDS Suspension manufactures only premium quality suspension products. All are backed by a "No Fine Print" limited lifetime warranty. Guaranteeing all products to be free from defects in material and workmanship to the original retail purchaser. If you break it, they replace it...period.

Drivetrain Protection - BDS Suspension offers FREE 560Plus Factory Protection Plus. This supplemental drivetrain protection (5 years - 60,000 / 100,000 miles) on select vehicles gives you piece of mind with your purchase. Click here for more info