2020-2024 GM HD 6" Big Lift Kit w/ Falcon 1.1 Shocks (44-30620)

The ReadyLIFT 6-inch Lift Kit with Falcon 1.1 Monotube Shocks is a complete front and rear off-road suspension system designed for the 2020-2024 GM Silverado and Sierra 2500HD/3500HD 4WD and AT4 models. This kit is a great option for customers seeking a taller, lifted height and the ability to run up to 37-inch tall tires. The system includes ReadyLIFT Falcon 1.1 Monotube shocks and retains the factory torsion bars in their original location using new relocation brackets, which helps to increase ground clearance and improve the overall driving experience.

Features

• Delivers 6 inches of lift.
• Includes four Falcon 1.1 Monotube Shocks (front and rear).
• Features laser-cut, CNC formed heavy-duty steel front and rear drop crossmembers.
• Utilizes new OE-style cast iron knuckles precisely engineered for ideal geometry and proper alignment.
• Includes new torsion bar relocation brackets that retain the factory torsion bar position for improved ground clearance.
• Comes with important differential drop brackets and CNC-machined billet aluminum CV axle spacers.
• Includes a heavy-duty steel skid plate, 12-inch sway bar end links, and bump stop extensions.
• Uses OE-style cast iron rear lift blocks.
• Uses your OEM factory torsion keys.
• Made in the U.S.A. and backed by the ReadyGuard Powertrain Warranty.

Notes

• Installation is primarily bolt-on, but some slight modifications will be required.
• Vehicle alignment and headlamp aim must be checked and adjusted after product installation.
• If the vehicle is equipped with Advanced Driver Assistance Systems (ADAS), these systems may require recalibration.
• Estimated installation time is 12 hours plus or minus 1 hour (excluding alignment and wheel/tire assembly).
• Some GM HD trucks equipped with a Tow Package may require custom-length U-bolts purchased separately.

Compatibility Notes

• Made to fit 2020-2024 GM 2500HD/3500HD 4WD and AT4 models.
• Does not work with AT4X or ZR2 models.
• Not compatible with vehicles equipped with electronic or air shocks.
• The Single Cab configuration has not been validated for fitment and drivability.

Tire Fitment

• Allows for up to 37-inch tall tires.
• Maximum tire size for no rub is 37x12.50 on a 9-inch wide wheel with 0 offset.
• Factory wheels can be used, but wider tires than factory will require wheel spacers.

Specs

• Lift Height: 6 inches.
  
• Shock Type: Falcon 1.1 Monotube (4 shocks).
  
• Kit Contents: Front/Rear Drop Crossmembers, OE-style Cast Iron Knuckles, Torsion Arm Brackets, Torsion Bar Relocation Brackets, Differential Drop Brackets, CV Axle Spacers, Sway Bar End Links, Bump Stop Extensions, Rear Lift Blocks, Skid Plate, and Falcon 1.1 Monotube Shocks.