Fabtech 8" 4 Link System w/ Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks - 2005-07 Ford F350 4WD

At the top of our Super Duty line is our famous 4 Link System that provides unsurpassed articulation and wheel travel. Large 2” OD heavy wall links feature race style 1” Uniballs for superior strength. Thick 1/4” steel brackets secure the 4 Links to the frame without cutting or welding. This 4 Link system includes our Dirt Logic 4.0 Coilover shocks for the front, and an add-a-leaf with a block & u-bolt kit for the rear. Also included are Billet Sway bar links, Trac Bar relocation bracket, Pitman Arm and more. 



Fabtech 8" 4 Link System w/ Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks - 2005-07 Ford F350 4WD

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Kit# K20182DB

  • 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 FTS22027BK Component Box 1
1 FTS22049BK Component Box 2
1 FTS22052BK Component Box 3
2 FTS835011 Front Dirt Logic 4.0 Coilover
1 FTS22044 Rear Block & Add-a-leaf Kit
2 FTS810051 Rear Dirt Logic 2.25 Non Resi



3. Non dually models only.
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


Vehicle Make


Vehicle Model


Vehicle Year

2005, 2006, 2007

Special Fitment Notes

No special fitment notes.

Part Number


Free Shipping




Installation Difficulty


Installation Instructions

Not Available

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