2011-2019 GM HD 4.5" Lift Kit with NX2 Nitro Shocks (BDS721H)

2011-2019 GM HD 4.5" Lift Kit with NX2 Nitro Shocks (BDS721H)This BDS 4. 5" lift kit improves the stance and capability of your 2011 2019 Chevy Silverado GMC Sierra 2500 HD 4WD, with clearance for up to 35" tires. BDS uses a No Torsion Bar Drop System, mounting the torsion bars to the top of the lower a arm to maximize ground clearance. Up front it runs torsion bar relocation brackets, high arched 1 4" steel crossmembers, multipiece differential relocation brackets, HD skid plates and CNC machined ductile iron

This BDS 4.5" lift kit improves the stance and capability of your 2011-2019 Chevy Silverado / GMC Sierra 2500 HD 4WD, with clearance for up to 35" tires. BDS uses a No Torsion Bar Drop System, mounting the torsion bars to the top of the lower a-arm to maximize ground clearance. Up front it runs torsion bar relocation brackets, high-arched 1/4" steel crossmembers, multipiece differential relocation brackets, HD skid plates and CNC-machined ductile iron steering knuckles. The rear uses replacement lift blocks and a u-bolt flip kit for max clearance. This kit ships with NX2 Nitro shocks: nitrogen-charged twin-tube design with 10-stage velocity-sensitive valving.

Features

• High clearance design with no torsion bar drop maximizes ground clearance
• Robust steering knuckles maintain ESC system compliance
• HD skid plate system for improved offroad protection
• Multipoint differential relocation brackets secure the front axle and improve CV angles
• Factory Protection Plus drivetrain warranty included
• NX2 gas shocks for improved performance
• 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

Specs

• Front Lift Method: Cross-Member
• Rear Lift Method: Block
• Shocks Included: Yes
• Front Lift Height: 4.5 inch
• Rear Lift Height: 2 inch

Recommended Tire & Wheel Fitment

• Tire Size: 35x12.5
• Wheel Diameter: 18x9, 20x9
• Back Spacing: 4.625/6

Notes

• Torsion bar tool required to load/unload the torsion bars.
• Stock 17 inch & 18 inch wheels cannot be reinstalled.
• Stock 20 inch wheels cannot be reinstalled on 2015-2019 models.
• Factory dually wheels cannot be reinstalled.
• Models with two-piece rear driveshaft may require #121612.
• Top-mounted rear overload spring-equipped models require a different kit than non-overload models. Determine if your truck was built with or without top-mounted overload springs and select the correct option.
• Depending on the wheel and tire combination, trimming may be required for 35x12.50s.

Includes

• BDS011217, 2011-2024 Chevrolet Silverado/GMC Sierra 2500/3500 HD 2 inch Rear Block w/ Overload (UPC 658848611706)
• BDS021454, 11-15 GM HD 4.5in Torsion Bar System (UPC 658848614691)
• BDS021650, 11 GM HD 4.5-6.5in System (1of4) (UPC 658848614950)
• BDS021651, 11 GM HD 4.5-6.5in System (2of4) (UPC 658848614967)
• BDS021652, 11 GM HD 4.5-6.5in System (3of4) (UPC 658848614974)
• BDS021653, 11 GM HD 4.5-6.5in System (4of4) (UPC 658848614981)
• BDS121650, 2001-2019 GM HD Front Skid Plate Box Kit (UPC 658848619207)
• BDS85613, Shock- 22.20 x 13.35 x 2 - S50/EB1 (UPC 711745609372)
• BDS85758, Shock- 27.90 x 16.55 x 2-3/8 - EB1/EB1 (UPC 711745609679)