Product Details

The ReadyLift 6" Lift Kit w/Falcon 2.1 Monotube Shocks is made for the 2025-2026 GMC Sierra 1500, giving it more ground clearance and room for larger tires.

ReadyLIFT offers an all-new Big Lift Kit for the new 2025-2026 Chevy Silverado and GMC Sierra 1500 trucks! Introducing the ReadyLIFT 6" Big Lift Kit with Falcon 1.1 Monotube Shocks engineered for incredible ride quality and superior handling performance. Includes premium Falcon 1.1 Monotube extended length rear shocks. The mono-leaf is easily identifiable the U-bolt is round/circular around the top of the leaf spring.

This kit only works with vehicle equipped with traditional steel leaf springs identified by square U-bolts. The lift kit utilizes the very best in ReadyLIFT engineering with boxed steel front/rear cross members and full-width front skid plate constructed of thick 3/16" plate steel. New 1/4-inch boxed plate steel differential drop brackets feature a double gusset and boxed center rib to take the abuse of front differential torsional twisting.

Features

  • 2025-2026 1500 4WD 6" Lift Kit Maintains the factory ride and handling
  • Click here to learn how to determine if you have rear mono-leaf springs
  • Delivers clearance for increased aftermarket tire sizes, up to 35" on 6-inch kit on 9" wide wheels with 0 offset with no trimming.
  • Top mount strut extensions maintain factory geometry and retain use of the factory strut. 3/16-inch thick steel plate cross members and skid plate.
  • Anti-torsion boxed and gusseted plate steel differential drop brackets
  • Fabricated steel 5" rear lift blocks include integrated bump stop landings, offset pin and provides proper pinion angle.
  • Includes premium Falcon 2.1 Monotube Shocks extended length rear shocks. Includes ReadyGuard Powertrain Warranty

Installation Instructions

ReadyLIFT installation instructions (PDF)

Specifications
Part Number 44-35621
Part Name ReadyLift 6" Lift Kit w/Falcon 2.1 Monotube Shocks
Vehicle 2025-2026 GMC Sierra 1500
Drivetrain 4WD
Weight 230.00 lb
UPC 194933457250
Notes
  • ReadyLIFT application: 6" Lift Kit, GM Silverado / Sierra 1500, 2025-2026 With Falcon, 2.1 Monotube Shocks.
  • Note: Use of Auto 4 Hi feature not recommended. Note: Not for use on Trail Boss, AT4, AT4X, ZR2, Diesel or Denali models.

Vehicle fitment

This product fits the vehicles listed below.

YearMakeModelDrivetrainNotes
2025GMCSierra 15004WD
2026GMCSierra 15004WD

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