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Description
Fabtech 17-20 Ford F250/350 4WD Diesel 4in Rear Box KitFabtech takes their 4 in. Super Duty systems to the next level with the release of the Dirt Logic 4. 0 Coilover Conversion. This bolt on Coilover conversion will transform the ride quality of the Super Duty while providing outstanding damping capacity for rugged offroad use. The Dirt Logic 4. 0 Coilover is constructed with a stainless steel body and a NitroSteel piston rod for maximum corrosion resistance. This 4 in. lift Coilover Conversion is
Fabtech takes their 4 in. Super Duty systems to the next level with the release of the Dirt Logic 4.0 Coilover Conversion. This bolt on Coilover conversion will transform the ride quality of the Super Duty while providing outstanding damping capacity for rugged offroad use. The Dirt Logic 4.0 Coilover is constructed with a stainless steel body and a NitroSteel piston rod for maximum corrosion resistance. This 4 in. lift Coilover Conversion is offered with Fabtech's Tubular Radius Arm or 4 Link Systems Radius Arm system features an offset tubular design with dimple die side plate for maximum strength. The 4 Link system replaces the stock Radius Arms for an improved ride quality both on and offroad due to a near zero caster change throughout the suspension travel. Both systems include a track bar relocation bracket to center the front Super Duty axle under the vehicle with the new lift height. Rear lift comes from a 5 in. lift block with bump stop relocation brackets. Rear Dirt Logic 2.25 stainless steel shocks are valved to provide a balanced ride to the Super Duty for the finest on road ride quality. These high end 4 in. Systems are the pinnacle of quality and ride performance for the Super Duty. Each system is a bolt on installation and comes with Fabtech's 5 year 60,000 mile warranty.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2026 | Ford | F-250 Super Duty | King Ranch |
| 2017-2026 | Ford | F-250 Super Duty | Lariat |
| 2018-2024 | Ford | F-250 Super Duty | Limited |
| 2017-2026 | Ford | F-250 Super Duty | Platinum |
| 2017-2026 | Ford | F-250 Super Duty | XL |
| 2017-2026 | Ford | F-250 Super Duty | XLT |
| 2017-2026 | Ford | F-350 Super Duty | King Ranch |
| 2017-2026 | Ford | F-350 Super Duty | Lariat |
| 2018-2024 | Ford | F-350 Super Duty | Limited |
| 2017-2026 | Ford | F-350 Super Duty | Platinum |
| 2017-2026 | Ford | F-350 Super Duty | XL |
| 2017-2026 | Ford | F-350 Super Duty | XLT |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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
4.8 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Good looking shelves
Size: 11.6"D x 15.7"W, Color: Black, Size: 11.6"D x 15.7"W, Color: Black
These shelves turned out perfect for my bedroom project! I read lots of reviews about people having trouble with the wall anchors not holding up, but I’m going to equate that to user error. I had no trouble installing these and even took a couple shortcuts.
I only used two wall anchors per shelf, but also pre checked the holes for studs. I used one dry wall screw per shelf as well. Knowing how wall anchors can be, I used one drill bit size smaller than the directions suggested. They said use 1/4, but I used 15/64. Probably could have gotten away with one smaller than that at 7/32.
With all screws, I made sure not to press too hard into the wall and just turn the screw. That helps the anchors and threads stay snug in the dry wall. There was only one shelf that came out feeling a little saggy, but I think it’s because the holes in the shelf are not quite right. However, it still holds strong and no problem with a box of shoes on it.
All this being said, I pre weighed my shoe boxes and knew I only needed to hold about 5-7 lbs. I was super detailed with measuring the bracket spots to make sure everything was spaced and leveled appropriately.
The wood on the shelves does feel a little cheap, but it looks great so I couldn’t care less. I would purchase these shelves again and might have to as my display collection continues to grow.
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Reviewed in the United States on March 20, 2026
★★★★★ 5
Easy install, wide and sturdy
Size: 10"D x 15.7"W, Color: Brown, Size: 10"D x 15.7"W, Color: Brown
I put these shelves in a strange little cubby that was created in my kitchen by removing the sad excuse for a pantry that was once there. Super easy to hang, I’ve only hung two here and have other plans for the 3rd one. Good purchase for sure. Very sturdy and look expensive, without the high cost.
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Reviewed in the United States on December 20, 2025
★★★★★ 4
Great shelves!
Size: 12"D x 35.4"W, Color: Black
These were perfect for what I needed & easy to install with included hardware; looks great and looks like quality item. I like that they will hold 20 lbs so I can change what I place on them with no worries.
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Reviewed in the United States on November 10, 2025
★★★★★ 5
Easy installation
Size: 11.6"D x 15.7"W, Color: Black
Nice and sturdy
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Sleek and attractive
Size: 12"D x 23.6"W, Color: Black, Size: 12"D x 23.6"W, Color: Black
While these didn't come in the color I was looking for, the size and price point were just what I was looking for. Installing them didn't take too long and was simple enough, but the end result did seem a little more wobbly than expected. I used them to display mine and my boyfriend's boots, and they held up fine, but I think 22 lbs per shelf would be pushing it.
I was able to easily cover the shelves with wood grain look contact paper and easily trim the excess off with an Exacto knife to get the look I wanted. I'm happy with how it turned out.
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Reviewed in the United States on May 2, 2026
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