2011-2019 GM HD 7-8" Lift Kit w/ Bilstein Shocks (44-3072)

2011-2019 GM HD 7-8" Lift Kit w/ Bilstein Shocks (44-3072)The ReadyLIFT 7 8 inch Adjustable Lift Kit for 2011 2018 GM HD trucks is a top tier suspension solution that combines height with durability. It utilizes laser cut and CNC formed sub frame assemblies to provide a precise, bolt on fit, while nodular iron knuckles maintain perfect suspension geometry. Paired with tubular upper control arms and high performance Bilstein 5100 shocks, this system is engineered to handle massive 37 inch tires while keeping

The ReadyLIFT 7-8 inch Adjustable Lift Kit for 2011-2018 GM HD trucks is a top-tier suspension solution that combines height with durability. It utilizes laser-cut and CNC-formed sub-frame assemblies to provide a precise, bolt-on fit, while nodular iron knuckles maintain perfect suspension geometry. Paired with tubular upper control arms and high-performance Bilstein 5100 shocks, this system is engineered to handle massive 37-inch tires while keeping your truck's factory handling and steering characteristics intact.

Features

• Adjustable front lift height from 7 to 8 inches via indexed forged torsion keys.
• Includes four (4) Bilstein 5100 Series Performance Shocks designed specifically for this kit.
• Tubular Upper Control Arms (UCAs) feature corrected ball joint angles for increased durability.
• CNC-machined nodular iron knuckles ensure factory-spec geometry and handling performance.
• Integrated differential drop bracket system maintains proper CV axle angles for 4WD applications.
• Components feature a Plascoat performance polymer alloy finish for extreme abrasion and impact resistance.
• Heavy-duty welded steel crossmembers and a 3/16-inch thick plate steel skid plate for underbody protection.
• Maintains factory ride quality and turning radius even with the increased height.

Notes

• Towing capacity will be reduced following the installation of this system.
• Designed primarily for 2WD use on public roads; 4WD use is recommended for off-road or slow-speed conditions only.
• A double cardan driveshaft may be required to eliminate high-speed 4WD driveline vibrations.
• Single Cab configurations have not been validated for fitment or drivability by ReadyLIFT.

Compatibility Notes

• Fits 2011-2018 (and some 2019) Chevy Silverado and GMC Sierra 2500HD/3500HD 2WD/4WD models.
• Single Rear Wheel (SRW) models may require custom U-bolts if equipped with a factory tow package.
• Will not fit Dual Rear Wheel (DRW) applications without custom-sourced U-bolts.
• Stock 20-inch wheels are compatible; however, stock 17-inch or 18-inch wheels cannot be used.

Tire Fitment

• Maximum Tire Diameter: 37 inches.
• Recommended Setup: 37x12.50 tires on a 9-inch wide wheel with 4.75" to 5.5" backspacing.
• 37x12.50 tires on a 9-inch wide wheel with -6 offset typically results in no rubbing.

Specs

• Lift Height: Adjustable 7 to 8 inches (Front) / 5 inches (Rear).
• Shock Type: Bilstein 5100 Series Monotube.
• Sub-frame Material: 1/4-inch laser-cut fabricated steel.
• Kit Contents: Forged torsion keys, iron knuckles, tubular UCAs, steel crossmembers, 5-inch cast iron rear blocks, Bilstein shocks, skid plate, and hardware.