6" Big Lift Kit

Made to fit 2020-2024 GM 2500HD/3500HD 4WD and AT4 Models.

Complete front/rear off road suspension system.

Includes (4) Falcon 1.1 Monotube Shocks.

Allow for up to 37" tall tires.

Uses Your OEM Factory Torsion Keys.

Made In U.S.A.

See Details for Notes on Tow Package Compatibility.

Note: Single Cab configuration has not been validated for fitment & drivability by ReadyLIFT.

• Our all-new 44-30620 6" lift kits with ReadyLIFT Falcon 1.1 Monotube shocks are a great option for the customer who wants a taller, lifted height and the ability to run up to 37" tall tires. The 44-30620 lift kits include laser-cut, fabricated heavy-duty steel cross-members, new cast iron OE-style knuckles with the perfect geometry built-in, torsion arm brackets, and our own front torsion bar relocation brackets that retain the factory position of the torsion bars. These new torsion bar relocation brackets eliminate the traditional lowering of the torsion bars, which can inhibit ground clearance from a lift installation and help to improve the overall driving experience. Additionally, each kit includes crucial differential drop brackets and CV axle spacers, 12" sway bar end links, bump stop extensions, OE style cast iron rear lift blocks, heavy-duty steel skid plate, and finally, Falcon 1.1 Monotube shocks.

  Features & Benefits:

  • Laser cut, CNC formed heavy-duty front/rear drop crossmembers.
  • Bolt-on installation “ well almost. Some slight modifications will be required.
  • OE-style cast-iron knuckles have been precisely engineered to provide the ideal geometry to ensure proper alignment and improve the overall driving experience.
  • Increases ground clearance.
  • Includes our new torsion bar relocation brackets that keep the torsion bars in their factory location “ no need to lower the torsion bars to lift!
  • 6" lift kits - Allows for 37x12.50 on a 9" wide wheel with zero offset.
  • Available with ReadyLIFT Falcon 1.1 Monotube F/R shocks.
  • Includes important differential drop brackets and CNC-machined billet Aluminum CV axle spacers.

  NOTE: Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately. Custom U-bolt length may vary by vehicle application. If the ReadyLIFT kit's standard U-bolts are too short, ReadyLIFT recommends locally sourcing custom U-bolts built to each truck's specifications.