FABTECH 8" Radius Arm System w/ Performance Shocks (K2128) View larger

FABTECH K2128 8" Radius Arm System w/ Performance Shocks


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Fabtech 8" Radius Arm System w/ Performance Shocks 


2008-2016 Ford F250/F350

2011-2013 Ford F450

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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 includes 8" replacement Coil Springs. Completing this system is a Trac Bar relocation bracket, Pitman Arm, Sway Bar drops, U-bolt kit, and replacement rear Leaf Springs.


Kit# K212L

  • Use 355/65R18 tires w/ 18x9.5 wheels w/ 4 3/4” BS w/ minor trimming
  • Use 37x13.50R20 tires w/ 20x10 wheels w/ 4 1/2” BS w/ minor trimming


Oty Part # Description
1 FTS22025BK Coil Box Kit
1 FTS22139 Component Box
1 FTS22114 Rear Leaf Spring Kit
2 FTS7189 Front Performance Shocks
2 FTS7266 Rear Performance Shocks



3. Non dually models only.
27. Front drive shaft modification may be required to clear exhaust on gas motor.
29. Rear leaf springs may reduce load carrying capacity.

Performance Shocks

Fabtech Performance Shocks have been designed to work in conjunction with each of our suspension systems, resulting in superior ride control. Features include high velocity 9-stage valving for excellent dampening capabilities and a closed cell insert to reduce shock fade at high speeds.

  • - Twin Tube Hydraulic Construction
  • - 9/16" Hardened Chrome Piston Rod
  • - 1 3/8" OD Piston
  • - Closed Cell Foam insert
  • - High Flow 9 Stage Valving