ReadyLIFT 4" (4-inch + Factory 2-inch) Big Lift Kit With Falcon 2.1 Shocks - 2025-2026 1500 Trail Boss / AT4
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Warranty Information
Vendor warranty summary
ReadyLIFT Warranty
At a glance: Defective parts replaced with no stated time limit; wear parts up to 1 year
This is ReadyLIFT's warranty, not an NVMOS policy. We've summarized it in plain English to save you a search. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: October 4, 2026.
Coverage by product
| Product or component | Coverage |
|---|---|
| Lift and leveling kit components | Lifetime replacement for defects (original buyer) |
| Wear parts: shocks, ball joints, heim joints, bushings, steering extensions | Up to 1 year |
| Discontinued, clearance or outlet products | Not covered |
- Original purchaser only — coverage does not transfer if you sell it.
What's covered
- Missing or defective components: if a part breaks, ReadyLIFT sends a new one
- ReadyLIFT may ask for the old part back at its own cost for analysis, without holding up the replacement
- Jeep SST and Terrain Flex kits are covered for recreational off-road use
What's not covered
- Off-road abuse (except Jeep SST and Terrain Flex kits)
- Discontinued, clearance and outlet items
- Labor, installation, surcharges and fees
- Resulting damage to the vehicle
How to make a ReadyLIFT warranty claim
- Call ReadyLIFT customer service to start a claim (7:30am-4pm MST)
- ReadyLIFT ships the replacement part, quickly where possible
ReadyLIFT contact: Phone: 800-549-4620 (toll free); 702-410-2300 · Claim page / support
Bought it from NVMOS? Start with us.
Have your order number and a few photos of the issue ready, then call real humans at (920) 249-7744 or send us a message. We'll tell you whether the claim goes through us or straight to ReadyLIFT, and help it along either way.
Shop ReadyLIFT at NVMOS
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See all ReadyLIFT products, lead times and FAQs →
Disclaimer: The information on this page describes ReadyLIFT's own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Source: ReadyLIFT official warranty information. Last updated on nvmos.com: October 4, 2026. See our return policy for NVMOS's own terms.
About the brand
ReadyLIFT is an Ogden, Utah suspension brand built around more tire clearance with close-to-factory ride. NVMOS carries ReadyLIFT leveling kits, SST mid-lifts, Big Lift kits, rear blocks, control arms and wheel spacers for Ford, GM, Ram, Toyota and Jeep trucks.
Based in: Ogden, Utah · Founded: 2006 · Lead time: In-stock ships in 24–48 hrs
Shop all 551 ReadyLIFTWarrantyAll brands
Warranty terms are set by ReadyLIFT, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.
ReadyLIFT 4" Big Lift Kit With Falcon Rear Shocks for 2025-2026 Silverado Trail Boss and Sierra AT4 1500
This is the 2025-2026 version of ReadyLIFT's 4" plus factory 2" big lift kit for Chevy Silverado Trail Boss and GMC Sierra AT4 1500 trucks. It includes Falcon rear shocks and the ReadyGuard Powertrain Warranty. Browse more full-size truck parts.
The kit has boxed steel front and rear cross members, a full-width front skid plate in 3/16" plate steel, and boxed 1/4" differential drop brackets with a double gusset. Fabricated rear blocks have integrated bump stop landings, and the front uses a lower strut pre-load spacer for a slight increase in spring rate. See our shock absorbers for upgrades. Auto 4 Hi is not recommended.
| Spec | Detail |
|---|---|
| Lift | 4" plus the factory 2" |
| Recommended max tire, no trimming | 35x12.50 on 20x9, 0 offset |
| Rear shocks | Falcon |
| Warranty | ReadyGuard Powertrain Warranty |
| SKU | 44-35426 |
- Heavy-duty front and rear cross members and skid plate
- Top mount strut extensions and rear shock extensions
- Sway bar drop brackets
- Fabricated steel rear lift blocks
- Cast iron lift knuckles
- Falcon rear shocks
- Hardware and instructions
2025-2026 Chevy Silverado Trail Boss and GMC Sierra AT4 1500 4WD. Not compatible with rear mono-leaf springs or diesel engines. Single cab fitment has not been validated. An 18" wheel is not recommended.
Install guides & documents
Complete your build
The pieces owners run with this one — matched to your build and to each other. Do the whole truck in one order instead of three.
$2,399.95
$363.00
$2,729.95
$89.95
$34.99
ReadyLIFT 4" (4-inch + Factory 2-inch) Big Lift Kit With Falcon 2.1 Shocks FAQs
Is this for a 2024 truck?
No. This kit is for 2025-2026 trucks. The 2019-2024 kit is 44-39421.
Does it fit diesel trucks?
No. There is no oil line relocation bracket in the kit.
What tire size is recommended?
35x12.50 on a 20x9, 0 offset wheel with no trimming.
Is there a warranty?
The kit includes the ReadyGuard Powertrain Warranty.
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