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Fabtech 2023+ Ford F250/F350 4WD 6in FTS-X Rad Arm Sys w/Front 4.0 Resi Coilovers & Rear 2.25 Shocks - K2436DL

SKU: SKU: FABK2436DL

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This item is classified as Oversized and may incur an additional handling fee at checkout depending on your shipping location. No additional fees apply for pickup orders.
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2023+ FORD SUPERDUTY F250/F350

Dominate the Road and the Trail: New FTS-X Series Suspension System Now Available for 2023+ Ford Super Duty F-250 & F-350

Whether you’re hauling heavy loads, cruising the highway, or tearing through the backcountry, the FTS-X system redefines what your Super Duty can do — combining refined daily comfort with serious offroad performance.

Purpose-built to match the legendary strength and capability of Ford’s latest Super Duty lineup, the FTS-X Suspension System delivers a dynamic upgrade for truck owners who demand more from their suspension — on every mile and every terrain.

The FTS-X adjustable radius arms directly replace the factory arms for use with lifted 2.5″, 4″ and 6″ suspensions. The arms have an adjustable lower link toeliminate binding and allow for a preferred caster profile.

Offroad the FTS-X adjustable radius arms will improve articulation over the standard fixed length Radius Arm for increased terrain traversing at all speeds. They are ready to run, pre-installed with HD Uniballs at the OE Frame mounting location and FK rod-end mounts for the adjustable lower link.

The upper and lower tubes are constructed with 1.75″ OD x .120″ wall DOM tubing and fully welded to prevent corrosion. Radius Arms are offset and positioned inboard compared to the stock arms to allow full steering lock with a 13.50 wide tire on a 5″ backspace wheel. The FTS-X 6″ Kits are designed to accommodate up to a 40″ tire.

Fabtech’s Radius Arms have been proven for over 30 years in consumer, commercial and military applications.

Made in the USA.

Part Numbers

Qty Part # Description
1 FTS22219 6″ REAR BOX KIT
1 FTS22389 6″ FRONT BOX KIT
1 FTS22390 FTS-X ADJUSTABLE RADIUS ARM BOX KIT 2.5″/4″/6″
1 FTS835232D 4.0DLR SD 6″ DRIVER
1 FTS835232P 4.0DLR SD 6″ PASSENGER
2 FTS810052 2.25DL REARS


  –  California Prop 65 Warning
  • FOOTNOTES

    3. Non dually models only.
    42. Will not fit gas motors.
    257. Does not fit vehicles equipped with Ford onboard scale system.

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