ReadyLIFT 4" Rear Block Kit - Ford Super Duty (2-pc Drive Shaft Only) 1999-2010
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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" Rear Block Kit for 1999-2010 Ford Super Duty with 2-Piece Drive Shaft
This 4" rear block kit, part number 66-2294, is made for 1999-2010 Ford Super Duty 2WD and 4WD trucks with a two-piece driveshaft. It safely lifts the rear and gives a slight rake for hauling or towing. Browse more Ford Super Duty parts.
The blocks are based on OEM designs, not light-weight extrusions, and include integrated OEM-style bump stops. They are an ideal tow package upgrade for stock height, lifted or leveled trucks. Check lift kits for the front.
- Two 4" rear blocks
- Four E-coated U-bolts
- Eight nuts and washers
1999-2010 Ford Super Duty 2WD/4WD with a two-piece driveshaft. Not designed for add-on air spring or load leveling kits that attach to the bump stop tangs.
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.
$189.95
$265.00
$1,899.95
$899.95
$129.99
ReadyLIFT 4" Rear Block Kit FAQs
Is this the same as the 1-piece shaft kit?
No. This is the version for a two-piece driveshaft. The one-piece version is 66-2094.
Does it fit dually trucks?
The source does not say. Email support@nvmos.com with your year, trim and axle setup and we will confirm fitment.
What is included?
Two 4" rear blocks, four E-coated U-bolts and eight nuts and washers.
Can I use air bags with it?
No. Air bag systems that attach to the bump stop tangs void the block warranty.
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