Installation Time
(approx) 6 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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ReadyLIFT 2-Inch SST 2.1 Premium Suspension Lift Kit with Control Arms and Falcon 2.1 Shocks (19-24 Sierra 1500 AT4 w/o Adaptive Ride Control & Super Cruise)Find parts that fit my vehicle
Item S603073
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$3,149.95
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- 4" Front Lift with 2.25" Rear Blocks
- Front lift height is approximately 2" over stock for Trail Boss and AT4 models; rear height varies due to larger factory rear blocks
- DOM tubular steel upper control arms with heavy-duty high-angle proprietary ball joints for improved suspension articulation
- Falcon 2.1 shock absorbers tuned for a balance of comfort, handling, and stability on and off-road
- Compatible with 2019-2024 Sierra 1500 AT4 models without Adaptive Ride Control or Super Cruise; not compatible with vehicles equipped with these features
- Mono-leaf rear spring design on applicable models
- Fits 19-24 Sierra 1500 AT4 W/o Adaptive Ride Control & Super Cruise; Not Compatible With Vehicles Equipped With Adaptive Ride Control Or Super Cruise
| Brand | ReadyLIFT |
| Lift Height | 4.00 Inch |
| Lift Kit Type | Coilover Lift |
| Lift Kit Max Tire Size | 39 Inch |
| Brand of Shocks | ReadyLift |
| Rear Lift Type | Spacer |
| Shock Style | Reservoir |
Description
Premium Suspension Upgrade. The ReadyLIFT 4-Inch SST 2.1 Suspension Lift Kit with Control Arms and Falcon 2.1 Shocks is engineered to enhance ride quality, ground clearance, and off-road capability for your truck. This kit supports multiple driving modes to optimize vehicle performance for a range of conditions.
Construction and Appearance. The kit includes DOM tubular steel upper control arms with proprietary high-angle ball joints to improve articulation and durability. Falcon 2.1 shocks are designed to provide a balance of comfort and control, maintaining factory ride characteristics while accommodating larger tires.
Installation. Installation typically requires approximately six hours and does not involve cutting or welding. This no-cut design preserves the factory ride quality while upgrading the suspension system.
Application. This suspension kit fits 2019-2024 Sierra 1500 AT4 trucks without Adaptive Ride Control or Super Cruise. It is not compatible with vehicles equipped with Adaptive Ride Control or Super Cruise technologies.
ReadyLIFT 62-39440
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
Tech Guides:
- Lift Kit vs Leveling Kit: Which Upgrade Is Right for Your Truck?
- How Much Lift Does My Truck Need? Picking the Right Lift Height
- Pros and Cons of Lifting Your Truck: What Every Owner Should Know
- Towing Suspension Upgrades: Suspension Components to Improve Towing Capability
- Lift Kits - How Adding Ground Clearance Makes Trucks More Capable Off-Road
- Do Lifted Trucks Use More Fuel? MPG Loss by Lift Height, Tire Size, and How to Save
- What Is Rake? How Leveling Your Truck Improves Appearance
- FAQ What Are The Best Suspension Systems? How Suspension Systems Work
- Off-Road Suspension 101: What To Know Before You Go
- Lift Kits vs. Leveling Kits: What’s the Difference?
- 8 Most Popular Rides to Upgrade Suspensions in 2021
- GMC Sierra 1500 Lift Kits Explained
Questions & Answers
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Will It Fit My Sierra 1500
- 3.0L I6 Duramax - 20, 21, 22, 23, 24
- 5.3L V8 - 19, 20, 21
- 6.2L V8 - 19, 20, 21, 22, 23, 24
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