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4" SST2.1 Premium Lift Kit for 2025 Silverado, Sierra 1500

By Ready Lift

Starting at

Original price $3,149.95 - Original price $3,149.95
Original price $3,149.95
Starting at$3,149.95
$3,149.95 - $3,149.95
Current price Starting at$3,149.95

Compatible with Adaptive Ride Control Suspension
Not compatible with 2019 Limited OLD Body Style
Use of Auto 4 Hi feature not recommended
Works on AT4 and TrailBoss but lift heights over stock are 2"
Single cabs have not been tested and fitment is unconfirmed
Vehicles with Mono-leaf rear springs require 67-39530UB. Before ordering a ReadyLIFT GM1500 Lift Kit, please check the rear leaf spring for kit compatibility. The mono-leaf is easily identifiable the U-bolt is round/circular around the top of the leaf spring.  

  • Details
  • Compatibility
  • Tire & Wheel Fitment

Give Your Truck the Upgrade It Deserves. Transform your 2025 GMC Sierra or Chevy Silverado 1500 with ReadyLIFT’s newest innovation — the 4" SST2.1 Lift Kit. This system isn’t just another lift - it’s a complete performance upgrade built to surpass anything in its class.
At the heart of this advanced suspension package are the all-new Falcon 2.1 Series front struts and rear shocks — a breakthrough in ride control and durability. While typical lift kits sacrifice comfort and handling, Falcon Performance Shocks deliver superior stability, smoother road manners, and confident performance whether you're daily driving, hitting rugged terrain, or towing heavy loads.
This is more than a lift kit — it’s a full suspension evolution. Experience the perfect blend of ride quality, strength, and capability with ReadyLIFT’s 4" SST2.1 Suspension System. Don’t just raise your truck — elevate every mile. Get yours today and feel the difference real performance makes.

Kit Components
Falcon 2.1 series front coilovers
Falcon 2.1 series rear shocks
Tubular steel upper control arms
2.25" Cast Block w/ U-Bolts
Complete kit with all installation hardware

Kit Features
High angle proprietary ball joints for extreme travel
NO cut installation
3 position adjustable shocks
Designed to lift and level
Tuned for comfort and durability

View lift kit installation instructions

Readylift lift kit fits the following 4WD models:
2025 Silverado 1500
2025 Sierra 1500

20x9 0 offset 295/55-R20 - Max tire size