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Fabtech 8'' Radius Arm System w/Dirt Logic Shocks for 08-10 F250/F350 And '11 F250/F350/F450 4wd

  • Provides 8'' of Lift
  • Radius Arm Suspension System
  • Heavy Duty Construction
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Pricing: $3,182.72


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 Track Bar relocation bracket, Pitman Arm, Sway Bar drops, U-Bolt kit, and replacement rear Leaf Springs.

Tire Size:

  • 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


  • Non dually models only
  • Front driveline modification may be required to clear exhaust on gas motor
  • Rear leaf springs may reduce load carrying capacity
  • Will not work with rear traction bar systems

Application List

2008-2011 Ford F-250 SD 4wd

2008-2011 Ford F-350 SD 4wd

2011 Ford F-450 SD 4wd, 8 Lug


Lift Type: Radius Arm Kit

Lift Inches: 8''

Max Tire Size: 37''


  • K2128DB
  • K2128DB
  • Fabtech
  • New


Shipping Information

  • Item Requires Shipping
  • 452.8 lbs.
  • W3.0000” x H5.0000” x L20.0000”
  • This item will require a special quote for shipping charges.

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