Specifications
- Brand
- Fabtech
- Part #
- K2139DL

Fabtech 11-16 Ford F250 4WD w/o Factory Overload 8in Rad Arm Sys w/Dlss 4.0 C/O& Rr Dlss
$6714.43
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Fits 2008-2016 Ford F-250 Super Duty. Fabtech 8-inch Radius Arm lift kit with Dirt Logic 4.0 coilovers for maximum front suspension damping.
Key Features
- Fits 2008-2016 Ford F-250 Super Duty 4WD models without factory overload springs.
- 8-inch lift height with 6-inch front spring lift and 2.25-inch rear Dirt Logic Stainless Steel shocks.
- Dirt Logic 4.0 Stainless Steel Coilover Conversion system for maximum front suspension damping.
- Upper coilover mounts use 1.75-inch DOM tubing for improved impact load distribution.
- Lower coilover mounts are 1/4-inch thick steel, attaching directly to the axle housing.
- Patented Radius Arms feature tubular structure with dimple die side plates and adjustable alignment cam for caster adjustment.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
If you're looking to give your 2008-2016 Ford F-250 Super Duty a serious lift and improved suspension performance, this 8-inch Radius Arm System from Fabtech is a solid option. It's built around their Dirt Logic 4.0 Stainless Steel Coilover Conversion system, designed to provide maximum damping for the front suspension. This kit is specifically for 4WD models without the factory overload springs.
The upper coilover mounts are constructed from 1.75-inch diameter DOM tubing, replacing the stock spring mounts and spreading the load across a wider frame area for better impact distribution. The lower mounts are made from thick 1/4-inch steel and attach directly to the axle housing, giving a strong point for the Dirt Logic 4.0 shocks. These shocks feature piggyback reservoirs and are made from stainless steel. You also get billet sway bar end links with heim ends and quad-layer limiting straps to control suspension travel. The kit includes rear 2.25-inch Dirt Logic Stainless Steel shocks to match the front.
Fabtech's patented Radius Arms are strengthened with dimple die side plates and include an adjustable alignment cam at the axle, which lets you fine-tune your caster. The system provides 6 inches of front spring lift, and the overall lift height is 8 inches. To complete the setup, it comes with a Trac Bar relocation bracket, a Pitman arm, sway bar drops, and a rear block and U-bolt kit. This comprehensive system aims to improve your truck's stance and off-road capability.
Specifications
- Brand
- Fabtech
- Manufacturer Part #
- K2139DL
Frequently Asked Questions
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Fabtech 11-16 Ford F250 4WD w/o Factory Overload 8in Rad Arm Sys w/Dlss 4.0 C/O& Rr Dlss
