FABTECH 6" 4 Link System w/ Dirt Logic 4.0 Coilovers & Rear Performance Shocks - 2008-10 Ford F350 4WD (K20321B) View larger

FABTECH 6" 4 Link System w/ Dirt Logic 4.0 Coilovers & Rear Performance Shocks - 2008-10 Ford F350 4WD (K20321B)

K20321B

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6" 4 Link System w/ Dirt Logic 4.0 Coilovers & Rear Performance Shocks - 2008-10 Ford F350 4WD

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For the ultimate in suspension performance for the 2008 Super Duty we offer a bolt on 4 Link System that provides unsurpassed articulation and wheel travel. These 2" diameter 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 adjustable Coilover Shock conversion. The system also includes Sway Bar Drops, Trac Bar relocation bracket, Pitman Arm, and a rear Block & U-Bolt kit.

 

Kit# K20321B

      • 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
      • Use 35/12.50R20 tires w/ 20x9 wheels w/ 5” BS w/ minor trimming

 

Oty Part # Description
1 FTS22140 Component Box 1
1 FTS22080BK Component Box 2
1 FTS22078BK Component Box 3
2 FTS835001 Front Dirt Logic 4.0 Coilover
1 FTS22103 Rear Block Kit
2 FTS7266 Rear Performance Shocks

 

*FOOTNOTES

3. Non dually models only.
27. Front drive shaft modification may be required to clear exhaust on gas motor.

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

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

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