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Fabtech 17-20 Ford F250/350 4WD Diesel 4in Rear Box Kit

$302.59 $292.33
In stock
Only 2 item(s) left in stock
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
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User 1
Fabtech 17-20 Ford F250/350 4WD Diesel 4in Rear Box Kit
$302.59 $292.33

Frequently Asked Questions

Please verify your vehicle’s make, model, year, and engine variant before purchasing. You can also check the OEM number or part number listed in the product description to ensure compatibility with your vehicle.
Yes, most parts come with a manufacturer warranty or seller warranty. Warranty details, if applicable, are mentioned in the product specifications section.
If you receive a damaged, defective, or incorrect item, please contact our support team within 48 hours of delivery with photos of the product and packaging. Our team will assist you with a replacement or return.
Yes, returns are accepted for unused products in their original packaging within the specified return period. Please ensure the part has not been installed or used.
Shipping times usually range between 2–7 business days, depending on your location and product availability.
Once your order is shipped, you will receive a tracking number via email or SMS, which you can use to track the delivery status.
Product images are for reference purposes only. The actual product may slightly vary depending on the manufacturer or batch, but the specifications will remain the same.
Yes, we accept bulk and wholesale orders. Please contact our support team for special pricing and availability.

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