SKU: 10476544505

4.0 Inch Tall Flat Block 2-Pc Drive Shaft 2017-2025 Ford F-250/F-350 Super Duty ReadyLIFT

$170.95 $189.95
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

4.0 Inch Tall Flat Block 2-Pc Drive Shaft 2017-2025 Ford F-250/F-350 Super Duty ReadyLIFTReadyLIFT OEM style rear block kits are now available for 2017 2023 Ford Super Duty model specific applications. These 4. 0 Inch fabricated steel Flat Rear Block Kits include two (2) rear blocks, billet drive line spacer, four (4) long e coated u bolts and eight (8) nuts and washers. Based on OEM designs and never made out of light weight extrusions, our 4 Inch 2017 2023 Ford Super Duty Tapered Rear Blocks have Integrated OEM style bump stops.

ReadyLIFT OEM-style rear block kits are now available for 2017-2023 Ford Super Duty model-specific applications. These 4.0-Inch fabricated steel Flat Rear Block Kits include two (2) rear blocks, billet drive line spacer, four (4) long e-coated u-bolts and eight (8) nuts and washers.

Based on OEM designs and never made out of light weight extrusions, our 4 Inch 2017-2023 Ford Super Duty Tapered Rear Blocks have Integrated OEM style bump stops. ReadyLIFT Block Kits will put a slight rake back in your truck for hauling or towing and are designed to work with your ReadyLIFT Suspension Leveling Kit.

In fact, these blocks are the ideal Tow Package upgrade for not only for stock-height vehicles but lifted or leveled trucks too! Like all ReadyLIFT products these block kits come with our Limited Lifetime Warranty.

Note: 66-2741 4-Inch block is for use on 2017-2023 Ford F250 Super Duty 4WD trucks with 2-piece drive shaft. Lift height will vary depending on what factory block your truck has.

Note: Not for use on 2019-2023 F350. Note: The lift blocks in this kit are not designed to work with aftermarket or factory add-on air spring/load leveling kits that attach to the bump stop tangs.

Use of this type of air bag system will void all block warranties and can cause failure of the block bump stop tang.

Features and Benefits:

  • 2017-2023 Ford Super Duty F250 4WD compatible
  • OEM style fabricated steel construction
  • Flat block design
  • Bump stop landing pads included
  • Drive line spacer included
  • New longer u-bolts included
  • Compatible with trucks with 2-piece drive shaft
  • Easy installation process
  • Durable and long-lasting
  • Improves overall vehicle performance
  • Provides additional lift and support
  • Perfect for off-roading and heavy-duty use
  • Designed for maximum stability and safety
  • Enhances the appearance of your truck
  • Fits seamlessly with existing suspension system
  • High-quality materials for reliable performance
  • Designed for 2017-2023 Ford Super Duty F250 4

Details:

  • Color: Black
  • Fitment: Direct Fitment
  • Install Difficulty: Difficult Requires Professional Installation
  • Installation Time: 1 Hour
  • Lift Height: 4.0 Inch
  • Material: Fabricated Steel
  • Nuts Included: Yes
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10476544505

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4.3 ★★★★★
Based on 1924 reviews
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Product Reviews
D
Verified Purchase
Dre
San Leandro, US
★★★★★ 5
Good stuff!
Size: 1 Kit
Good product, made a big difference. Easy to apply, Will buy again when needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
C
Verified Purchase
CupcakeDivaKC
Charlottesville, US
★★★★★ 4
I'm Not Disappointed ...
Size: 1 Kit, Size: 1 Kit
I knew going in that my expectations shouldn't be very high because my car is a first generation 2010 Kia Soul. So its old with 16 plus years of yellowing oxidation and some abrasion. I took a chance with doing this because of the reviews and pictures. To my surprise, it worked better than I anticipated and could hope for. My driver side(left) headlight was horrible but my passenger side(right) wasn't too shabby and didn't require as much care. This would have turned out better if I had power drill attachments of the same sanding grit to do this. My arm is going to be really sore come Sunday. 😆 It wasn't too hard to follow the instructions as they were very simple for the application process. I don't know about the 2 years for it lasting, but for now, its durable. Once I drive at night, I'll be able to But all in all, it worked for me and its better than before I tackled it. All in all it looks good, I feel like I'll have a better beam when night 🌙 driving.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
K
Verified Purchase
Kflo
Whiting, US
★★★★★ 5
Works great. Definitely a good buy and value.
Size: 1 Kit
This was easy to use and made a world of difference on the lenses.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
G
Verified Purchase
Ghost
Houston, US
★★★★★ 5
Let this restoration kit light up your life
Size: 1 Kit
I have a car that is 24 years old and is my daily driver.  Understandably, the headlight lenses have deteriorated to the point where I was using my brights exclusively at night yet never being flashed to turn them down.  I got quotes between 60-80 dollars per headlight for restoration which I just wasn't willing to pay so I decided on this kit to try restoring them myself.  I read reviews before I ever make a decision on a product and noticed many reviewers of other products stated that this product works better so I went ahead and purchased it.  Man, am I glad I did!!!   The kit arrived late this afternoon, I opened it, READ AND FOLLOWED THE INSTRUCTIONS and within 1 1/2 hours had turned a travesty into a triumph.  I started by taping around both lights with 1 inch blue painters tape to protect the paint around the lights.  The kit comes with everything necessary to remove most moderate deterioration but be sure to purchase one that corresponds with your actual situation.  I believe my lenses were far beyond "moderate" but with some heavy elbow grease, the correct use of both supplied sanding disks and my hose set on "mist" I was able to sand off years of damage leaving behind a smooth, albeit opaque surface.  After making sure everything was totally dry using both towels and my leaf blower, I was ready for the Magic!!!  I opened the first clearcoat package (while wearing the provided glove) and lightly but steadily applied the liquid with the supplied towelette and the required 50% overlapping passes.  The opaque lenses instantly turned clear upon contact with the clearcoat.  After waiting around 25 minutes to be sure the lenses were completely dry I opened the second package of clearcoat and applied it in the same manner as the first.  I had no misses or problems with my first coat but for those who do...NOW is the time to make corrections, NOT during the first coat process.  Leave things to dry for around an hour and you are done. The end result?  AWESOME, INCREDIBLE, UNBELIEVABLE...shall I go on???  Not necessary, but I can say I am thrilled with the outcome.  My wife said the lights look new and I agree, there is a night and day difference between before and after. Only time will tell how long the restoration lasts but for now I am very very happy with the results I got from this 3M product.  I highly recommend it to anybody who can read, understand and follow the instructions.  5 stars all the way on this one!!!      
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Reviewed in the United States on June 24, 2025
A
Verified Purchase
ab4u
Port Orchard, US
★★★★★ 5
Excellent 3M Headlight Restoration Kit!
Size: 1 Kit, Size: 1 Kit
Better than expected results. This 3M Kit needs no drill; all done by hand. Check out their videos on YouTube; follow the easy instructions. This $10 3M Kit, an hour and a half of my time, saved me over $300! What a serious savings! Thank you 3M for another fantastic product!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026

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