This System Includes Jspec Shocks Only

Will Only Fit Diesel Engine

Features & Benefits:

  • Front/Rear Dual Rate Coil Springs designed to great ride quality across any terrain.
  • Front/Rear Gas Shocks (Jspec Shocks) specifically valved for this suspension system for improved performance on and off-road.
  • Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle.
  • Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation.
  • Front/Rear Bump Stop Extensions to properly limit suspension up travel.
  • Front Control Arm Correction Brackets to flatten upper/lower control arm angles to correct caster and improve handling.

Components:

  • JSPEC1310 (x1) J-Kontrol Main Box Kit
  • JKS6201 (x1) Control Arm Correction Brackets
  • JSPEC1352 (x1) 3.5in Front Coil Spring Kit - HD
  • JSPEC1359 (x1) 3.5in Rear Coil Spring Kit - STD
  • JSPEC9322 (x2) JSPEC Gas Shock Front
  • JSPEC9329 (x2) JSPEC Gas Shock Rear

Tire Specs:

Rubicon Models (all kits):

  • Tire: 37x12.50
  • Wheel: 17x9, 18x9, 20x9
  • Backspacing: 5"

Non-Rubicon Models (all kits):

  • Tire: 35x12.50
  • Wheel: 17x9, 18x9, 20x9
  • Backspacing: 5"
  • Other tire/wheel sizes can be used, however may require additional modifications.

Important Notes:

  • Factory wheels cannot be reinstalled without wheel spacers
  • Will not fit 4xe models
  • Will not fit Rubicon 392 models
  • Shock extension brackets can be used on Rubicon models with stock  however this will limit suspension down travel slightly.

Improve the ground clearance and off road capability of your 4 Door Diesel Jeep Wrangler JL with the JKS J-Kontrol 3.5" suspension system. The J-Kontrol system retains your OE control arms, but steps up the rest of your suspension. J-Kontrol kits feature dual rate coil springs, adjustable front track bar, specially-valved gas shocks, sway bar Quicker Disconnects, and front control arm correction brackets as well as all other necessary hardware for a complete bolt-on installation. J-Kontrol system's front control arm correction brackets further enhance the on-road handling by flattening out the control arm to more closely mimic factory angles while correcting caster. With a matched combination of parts, J-Kontrol systems offer very solid performance without compromising daily-driver comfort. If you spend a good amount of time on the trails, take control with J-Kontrol.

Brand: JKS

  • 2020-2022 Jeep Wrangler JL
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