Fabtech 5" Short Arm System w/ Front Dirt Logic 2.5 Coilovers & Rear Performance Shocks - 2007-15 Jeep JK 4WD

Utilizing the factory link arm mounts Fabtech offers a 5" Short Arm system that features heavy wall 5/16" thick links with rotational urethane ends for unrestricted movement. These heavy duty links feature adjustable ends to dial in caster and pinion angles. System includes front upper and lower links while the rear receives lower links only. Lift is accomplished with replacement coil springs that have a slightly higher spring rate over factory while retaining flexibility for offroad use. The front Trac Bar is relocated keeping the arc of travel uniform to the drag link angle with included dropped pitman arm. The relationship of the Trac Bar and drag link is critical in providing bump steer free driving. The rear Trac Bar is also relocated keeping the axle located under the vehicle for proper front and rear axle tracking. Fabtech offers heavy duty replacement driveshafts to be used with this system for maximum driveline reliability. Extended length bump stop brackets, sway bar links and brake line brackets finish off this excellent performing system.


Kit# K4039B

  • Use 37/12.50R17 tires w/ 17x8.5 wheels w/ 5” BS w/ minor trimming


Oty Part # Description
1 FTS24081BK Component Box
1 FTS24086BK Coil Box Kit
1 FTS24087BK Coilover Hoop Kit
1 FTS240881BK Front Dirt Logic 2.5 Resi Coilovers
2 FTS6002 Rear Performance Monotube Shocks


Order Required Driveshafts

  • 1  FTS94057  2007-14 Front Driveshaft 2 & 4 Door Models

  • 1  FTS94051  2007-11 Rear Driveshaft 2 Door Model Only

  • 1  FTS94052  2007-11 Rear Driveshaft 4 Door Model Only

  • 1  FTS94058  2012-14 Rear Driveshaft 2 Door Model Only

  • 1  FTS94059  2012-14 Rear Driveshaft 4 Door Model Only

*Kit Price does not Include Drive Shafts.


120. Exhaust modification required on 2012 and newer models, or order FTS94060 Loop Delete Pipe.



Fabtech 5" Short Arm System w/ Front Dirt Logic 2.5 Coilovers & Rear Performance Shocks - 2007-15 Jeep JK 4WD

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Front Dirt Logic 2.5 Resi Coilovers


Derived from our desert racing experience, the Dirt Logic 2.5 Coilover is an exceptional performance shock that has been developed for a variety of Coilover applications. The Dirt Logic 2.5 will provide incredible dampening capacity for aggressive offroad driving.


  • - 2.50" OD Steel Body
  • - 2.25" OD Billet Aluminum Piston
  • - 7/8" Induction Hardened Chrome Piston Rod
  • - Adjustable Coilover Construction
  • - 5/8" Spherical Ball or Urethane Mounting Ends
  • - 2.25" OD Reservoir w/-8 Stainless Steel O-ring Hose
  • - Black Anodized Finish

Rear Performance Monotube Shocks


Fabtech's Monotube Shock Absorbers feature high pressure nitrogen gas that reduces fade during aggressive offroad driving. The Monotube design allows for a larger piston compared to twin tube shocks with greater cooling efficiencies due to the single wall seamless tubing. An internal free floating dividing piston separates the nitrogen gas from fluid to eliminate foaming and shock fade. Each shock has been pretuned specifically for the vehicle application providing a superior ride quality.


  • - Monotube Construction
  • - Internal Floating Dividing Piston
  • - 14mm Hardened Chrome Piston Rod
  • - 46mm OD Piston
  • - Separated high pressure nitrogen gas
  • - Thick wall seamless tubing
  • - Inverted mounting position

Vehicle Make


Vehicle Model

Wrangler JK

Vehicle Year

2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

Special Fitment Notes

No special fitment notes.

Manufacture Part Number


Part Number


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Installation Difficulty


Installation Instructions

Not Available

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