ReadyLIFT 6" Lift Kit with Falcon 1.1 Monotube Shocks - 2019-2024 Chevy Silverado / GMC Sierra 1500

The ReadyLIFT 6" Lift Kit (part 44-39605) is ReadyLIFT's Big Lift Kit for 2019-2024 Chevy Silverado and GMC Sierra 1500 4WD trucks. It uses boxed 3/16" plate steel crossmembers, gusseted differential drops, and top mount strut extensions that keep the factory strut, with Falcon 1.1 Monotube rear shocks.

Part number: ReadyLIFT 44-39605

Key features

• Boxed steel front and rear crossmembers and a full-width front skid plate from 3/16" plate steel
• 1/4" boxed plate steel differential drop brackets with a double gusset and boxed center rib
• Heavy-duty angled and offset top mount strut extensions that retain the factory strut and geometry
• Lower mount strut preload spacer for a slight spring rate increase with larger wheels and tires
• 5" fabricated steel rear lift blocks with integrated bump stop landings and an offset pin for correct pinion angle
• Extended-length Falcon 1.1 Monotube rear shocks
• Falcon 1.1 Monotube shocks with a 2-1/8" shock body, 6061-T6 aluminum billet piston, and 1/2" induction-hardened chrome-plated shaft
• Includes the ReadyLIFT ReadyGuard Powertrain Warranty

What's included

• Heavy-duty front and rear crossmembers
• Heavy-duty skid plate
• Heavy-duty top mount strut extensions
• Sway bar drop brackets
• Heavy-duty fabricated steel rear lift blocks with bump stop landings
• Heavy-duty cast iron lift knuckles
• Falcon 1.1 Monotube shocks
• All necessary hardware and instructions

Fitment

• 2019-2024 Chevy Silverado / GMC Sierra 1500 4WD
• Not for Trail Boss, AT4, AT4X, ZR2, diesel, or Denali models
• Not compatible with Adaptive Ride Control, Multimatic suspension, or Super Cruise
• Not compatible with rear composite mono-leaf springs (round U-bolts); fits trucks with traditional steel leaf springs (square U-bolts)
• Single cab configuration has not been validated by ReadyLIFT
• Use of the Auto 4 Hi feature is not recommended
• Late 2024 trucks with round U-bolts need U-bolt kit #67-35150UB (not included)

Tire fitment

• Recommended max with no trimming: 35x12.50 on a 20x9 wheel with 0 offset
• Max with trimming: 35x12.50 or 325/60R20 on a 20x10 wheel with -18 offset (trim front valance, front and rear felt liner edges, and front wheel well mud flap)
• ReadyLIFT bases its wheel and tire recommendations on specific wheel and tire brands, and sizes vary by manufacturer, so test-fit every wheel and tire combination before installation.

Install notes

• Estimated installation time: 10 hours +/- 1 hour (excludes alignment and wheel/tire assembly).
• Read the instructions completely before starting. ReadyLIFT recommends installation by a certified mechanic.

Questions about fitment? Email [email protected] with your year, make, model, and trim before ordering.