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Fabtech K2123M 8″ Radius Arm System With Stealth Shocks

2008-2016 Ford F-250 4WD
Fabtech K2123M 8″ Radius Arm System With Stealth Shocks
2751.31In stock
2008-2016 Ford F-250 4WD

Radius Arm Lift System

  • Brand : Fabtech
  • SKU : BKBNK2123M
  • Part Number : K2123M
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Product Details

This suspension system is designed to provide increased ride height, improved strength, and proper suspension geometry for reliable on-road and off-road performance. At the core of the system are Fabtech’s patented Radius Arms, engineered to enhance durability and alignment capability.

The full tubular Radius Arms are reinforced with dimple-die side plates for added rigidity and strength. An adjustable alignment cam is integrated at the axle, allowing caster adjustment to properly dial in alignment after lifting, resulting in improved steering response and overall drivability.

Front lift is achieved using Fabtech replacement coil springs that deliver consistent lift height with controlled ride characteristics. Supporting components such as the track bar relocation bracket, drop pitman arm, and sway bar drop brackets ensure correct axle positioning, steering geometry, and sway bar operation throughout the suspension travel.

Rear lift is accomplished using a block and U-bolt kit to level the vehicle stance while maintaining load-carrying capacity and stable ride quality. This complete system offers a balanced suspension upgrade with increased ground clearance, strength, and dependable performance.

Our patented Radius Arms feature a full tubular structure strengthened by dimple die side plates with an adjustable alignment cam at the axle to allow caster adjustment. Front spring lift options includes 6 replacement

Radius Arm Lift System; w/Stealth Monotube Shocks; 8 in. Lift; w/o Factory Overload;;

Unsurpassed Strength And Performance Patent Pending Radius Arms Fully Tubular Structure Dimple Die Side Plates Adjustable Alignment Cam Allows Caster Adjustment
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Fitment

YearsMakeModelDrive
2008-2016FordF-2504WD

Features

  • Fabtech Replacement Radius Arms: Full tubular construction with dimple-die side plates and adjustable caster cam for strength and alignment control
  • Fabtech Front Coil Springs: Provide increased ride height with controlled ride quality
  • Trac Bar Relocation Bracket: Corrects front axle alignment and steering geometry
  • Sway Bar Drop Brackets: Maintain proper sway bar operation at the lifted height
  • Pitman Arm: Restores correct steering angles for predictable handling
  • Rear Block & U-bolt Kit: Levels the vehicle while maintaining rear suspension stability

Components

  • 1 × FTS22025BK – Coil Box Kit
  • 1 × FTS22139 – Component Box
  • 1 × FTS22104 – Rear Block & Add-a-leaf Kit
  • 2 × FTS6189 – Front Stealth Shocks
  • 2 × FTS6063 – Rear Stealth Shocks

STEALTH MONOTUBE SHOCK

Stealth is the first all black monotube shock absorber, with an identifiable raised metal nameplate, that represents the signature of quality you can rely on for a superior ride at an affordable price.

Stealth monotube shocks are built with a 46mm diameter high flow piston and vehicle specific valving, for a great ride with oversized tires.

All Stealth shock absorbers feature Nitrocarburized piston rods that are superior to chromed rods in durability and corrosion resistance. These Nitrocarb piston rods are finished in matte black for a complete black out shock package.

  • 50mm OD seamless steel body
  • 46mm high flow piston for best ride
  • Vehicle specific valving designed for oversized tires
  • Full floating piston separates gas from oil for a consistent ride
  • 14mm Nitrocarb piston rod resists rock chips and rusting
  • All black finish with raised nameplate as a signature of quality

Quick Specs

  • Tire Size – 355/65R18 Wheel Size – 18×9.5 w/ 4 3/4in BS w/minor trimming
  • Tire Size – 37/13.50R20 Wheel Size – 20×10 w/ 4 1/2in BS w/minor trimming
  • Part Number : K2123M

Important Notes

  • California Prop 65 Warning
  • 27. Front drive shaft modification may be required to clear exhaust on gas motors.

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