FABTECH 8" 4 Link System w/ Front Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks (K2144DB) View larger

FABTECH 8" 4 Link System w/ Front Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks (K2144DB)


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8" 4 Link System w/ Front Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks - 2011-14 Ford F250/F350 4WD & 2011-13 Ford F450 4WD (8 Lug)

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Obtain maximum front suspension damping for Super Duty's with our Dirt Logic 4.0 Coilover Conversion system. The upper coilover mounts are constructed with 1.75 diameter DOM tubing that replaces the factory coil spring mounts and span across a wide section of the frame for proper impact load distribution. The lower mounts are 1/ 4" thick steel that attach to the axle housing, providing solid mounting points for the Dirt Logic 4.0 Coilover piggyback reservoir shocks. Also included in this system are billet sway bar end links with heim ends and quad layer limiting straps.


Kit# K2144DB

  • Use 355/65R18 tires w/ 18x9.5 wheels w/ 4 3/4” BS w/ minor trimming
  • Use 37/13.50R20 tires w/ 20x10 wheels w/ 4 1/2” BS w/ minor trimming


Oty Part # Description
1 FTS22140 Component Box 1
1 FTS22143 Component Box 2
1 FTS22080BK Component Box 3
2 FTS835011 Front Dirt Logic 4.0 Coilover
1 FTS22114 Rear Leaf Spring Kit
2 FTS810051 Rear Dirt Logic 2.25 Non Resi



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.

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