ReadyLIFT 4" +2" Big Lift Kit 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" + 2" Big Lift Kit for 2025-2026 Silverado Trail Boss and Sierra AT4 1500
This ReadyLIFT 4" + 2" Big Lift Kit is made for the new 2025-2026 Chevy Silverado Trail Boss and GMC Sierra AT4 1500 4WD trucks. It lifts the front 4" and the rear 2", and it is built to ride better than stock. See other lift kits if you need a different size.
Boxed steel front and rear crossmembers, a full-width 3/16" plate steel skid plate and 1/4" boxed differential drop brackets handle the abuse. Angled, offset strut extensions realign the struts, and new fabricated rear blocks come with new Falcon rear shocks. Explore more full-size truck parts.
2025-2026 Chevy Silverado Trail Boss and GMC Sierra AT4 1500 4WD. Not for diesel. Not compatible with rear mono-leaf springs. Single cab is not validated. Using Auto 4 Hi is not recommended. Recommended maximum without trimming: 20x9 with 0 offset and a 35x12.50 tire. 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.
$2,419.95
$585.00
$39.95
$2,899.95
$862.95
ReadyLIFT 4" +2" Big Lift Kit 2025-2026 1500 Trail Boss / AT4 FAQs
Does it fit diesel trucks?
No. It does not include an oil line relocation bracket, so it is not for diesel engines.
What about trucks with mono-leaf rear springs?
The kit is not compatible with rear mono-leaf springs.
What tire can I run?
A 35x12.50 on a 20x9 wheel with 0 offset fits without trimming. Larger setups need trimming.
Does it fit a single cab?
ReadyLIFT has not validated fitment and drivability for single cab trucks.
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