FABTECH 6" Radius Arm System w/ Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks (K2012DB) View larger

FABTECH 6" Radius Arm System w/ Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks (K2012DB)


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6" Radius Arm System w/ Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks - 2005-07 Ford F250 4WD w/o Factory Overload

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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 lift comes from our Dirt Logic 4.0 Coilover Shock conversion. Completing this system is a Trac Bar relocation bracket, Pitman Arm, Sway Bar drops and more. Rear lift includes a block & u-bolt kit.


Kit# K2012DB

  • Use 315/70R17 tires w/ 17x8 wheels w/ 4 1/2” BS w/ minor trimming
  • Use 325/65R18 tires w/ 18x9.5 wheels w/ 4 3/4” BS w/ minor trimming


Oty Part # Description
1 FTS22026BK Component Box 1
1 FTS22052BK Component Box 2
2 FTS835001 Front Dirt Logic 4.0 Coilover
1 FTS22033 Rear Block Kit
2 FTS810051 Rear Dirt Logic 2.25 Non Resi



38. Will not work on models with digital climate control.

Front Dirt Logic 4.0 Coilovers

As the largest vehicle specific take apart, monotube shock on earth, the Dirt Logic 4.0 continues to expand its applications to include a remote reservoir style for GM and Dodge. The Dirt Logic 4.0 will provide the ultimate in hardcore offroad dampening capacity with superior highway comfort. Nothing else comes close.

  • - 4.0" OD Steel Body
  • - 3 5/8" OD Billet Aluminum Piston
  • - 1.25" Induction Hardened Chrome Piston Rod
  • - Adjustable Coilover Construction
  • - 3/4" Spherical Ball Mounting Ends
  • - 4.0" OD Piggyback Reservoir or Remote Reservoir
  • - Black Anodized Finish

Rear Dirt Logic 2.25 Non Resi

The new standard in large diameter mono tube shocks for lifted applications in the OE position as well as multiple shock applications, the 2.25 provides unparalled shock performance. Available with and without reservoir the Dirt Logic 2.25 offers a supple highway ride with outstanding offroad dampening.

  • - 2.25" OD Steel Body
  • - 2.0" OD Billet Aluminum Piston
  • - 7/8" Induction Hardened Chrome Piston Rod
  • - Polyurethane Mounting Ends
  • - Optional 2.25" OD Reservoir w/-8 Stainless Steel O-ring Hose
  • - Black Anodized Finish