JKS Manufacturing
JKS Jeep JL J-Kontrol 3.5in 4Dr w/Fox 2.0 Performance Series Shocks STD Rate Coils
SKU: J009 JSPEC141KFP
Description
Part #: JSPEC141KFP
Increase the clearance and performance of your 4-Door Jeep Wrangler JL with a 3.5" lift J-Kontrol (TM) suspension system. It delivers exceptional stability on and off road. A step up from JKS J-Venture (TM) systems, J-Kontrol (TM) 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 aluminum FOX 2.0 Performance Series gas shocks, a front adjustable 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.
Features:
- Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear FOX 2.0 Performance Series Gas 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
J-Kontrol: All the benefits of J-Venture along with geometry correcting brackets for enhanced on-road handling.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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Specifications
| Brand | JKS Manufacturing |
| Part Number | J009 JSPEC141KFP |
Videos
Jspec Suspension Systems with the J-Rated Terrain Scale | Wrangler - JK JL JT
3.5" Lift System | FOX 3.0 Install - JL Wrangler
⚙️ Jeep Wrangler JL Gets JKS 3.5” Lift + 2.5” FOX DSC Shocks Upgrade
JKS JSPEC Long Term Review
JKS JSPEC 2.5 Lift Kit Installation
2.5" Lift Install | 2018+ Jeep Wrangler JL
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FOX 2.5 Performance Series Shocks | JKS
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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