Product Overview
Increase the clearance and performance of your 4-Door Jeep Wrangler JL with a 3.5" lift J-Kontrol™ suspension system.
It delivers exceptional stability on and off road. A step up from JKS J-Venture™ systems, J-Kontrol™ is a true bolt-on system that adds in front control arm correction brackets to the J-Venture Kit's long list of upgrade components including JSPEC dual-rate coil springs, custom-valved JSPEC steel monotube gas shocks, an adjustable front track bar and rear track bar bracket (to correct axle positioning under vehicle), Quicker-Disconnect sway bar end links, front/rear Bump Stop Extensions and front Control Arm Correction Brackets to flatten upper/lower control arm angles.
The supplied control arm brackets work with your Jeep's stock control arms to correct caster and improve handling.
J-Kontrol offers enhanced performance for daily driving, beach cruising, or regular trail use.
Install Help
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
- HD front springs recommended for applications with aftermarket winch/bumper combo
- HD rear springs recommended for applications with rear mounted full size spare tire
- Will not fit 4xe models
- Will not fit Rubicon 392 models
- Shock extension brackets can be used on Rubicon models with stock FOX 2.5 shocks, however this will limit suspension down travel slightly.
All JKS products are protected by a limited lifetime warranty to ensure they are free from manufacturer defects in material and workmanship so you can go with confidence knowing your JKS parts are covered.
- 5 Year, 100,000-mile PLUS Protection
- Free, no cost protection for JKS customers
- Could save thousands on possible repairs
- Easy online application process
- Available for most late model vehicles
Warranty Information
All JKS products are protected by a limited lifetime warranty to ensure they are free from manufacturer defects in material and workmanship so you can go with confidence knowing your JKS parts are covered.
- 5 Year, 100,000-mile PLUS Protection
- Free, no cost protection for JKS customers
- Could save thousands on possible repairs
- Easy online application process
- Available for most late model vehicles