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2018 Jeep Wrangler JL with JSPEC™ J-Rated 3.5" Lift System

JKS New Product Announcement: Lift Systems and Accessories Now Available for 2021 Jeep Wrangler JL

Coldwater, MI — Upgrade your four door 2018-2020 Wrangler JL with a JKS J-Rated suspension system. These complete, bolt-on kits are custom-engineered to provide the right clearance, ride quality, articulation and performance for your driving style. Features and specs are tailored to suit different types of terrain. JKS makes it easy to choose the right system with our Terrain Scale. Systems are available with heavy duty coil springs and shock absorbers as well as Fox adjustable coilovers. Additional features include dual rate springs, quick disconnect sway bar links and adjustable front track bars come with every J-Rated suspension system.


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Product Details:

JSPEC117K – 2.5” J-Venture Kit (4Dr)

JSPEC119K – 3.5” J-Venture Kit (4Dr)

JSPEC137K – 2.5” J-Kontrol Kit (4Dr)

JSPEC141K – 3.5” J-Kontrol Kit (4Dr)

JSPEC121K – 2.5” J-Konnect Kit (4Dr)

JSPEC123K – 3.5” J-Konnect Kit (4Dr)

JSPEC130KFP – 3.5” J-Lander Kit (4Dr)

JSPEC125KFP – 2.5” J-Krawl Kit (4Dr)

JSPEC127KFP – 3.5” J-Krawl Kit (4Dr)

JSPEC129KFP – 3.5” J-Max Kit (4Dr)

JSPEC5000K – Front Coilover Conversion Kit

JSPEC5001K – Rear Coilover Conversion Kit


JKS6201 – Control Arm Correction Bracket Kit

JKS1616 – J-Flex Front UCA Kit

JKS1625 – J-Flex Front LCA Kit

JKS1666 – J-Flex Rear UCA Kit

JKS1661 – J-Flex Rear LCA Kit

JKS1621 – J-Link Front LCA Kit

JKS1671 – J-Link Rear LCA Kit

PWT3571-JL – J-Cal/Flashcal Programmer

JKS2211 – Front ACOS Kit

JKS2571 – Rear ACOS Kit

JKS2711 – Front ACOS Pro Kit

PAC2114 – Flex Connect Master Kit

PAC2102 – Flex Connect Upgrade Kit

PAC2100 – Flex Connect Master Spring Kit

PAC2190 – Flex Connect Wrench Kit

PAC2191 – Flex Connect Spring Kit (Red)

PAC2192 – Flex Connect Spring Kit (Yellow)

PAC2193 – Flex Connect Spring Kit (Blue)

JKS2032 – Front Quicker Disconnects 0-2”

JKS2033 – Front Quicker Disconnects 2.5-6”

JKS2943 – Rear Adj Sway Bar Links

JKSOGS123 – Front Adj Track Bar

JKS8215 – Tailgate Vent Cover + License Plate Mount

JKS2511 – Front Coilover Conversion Brackets

JKS2512 – Front Coilover Conversion – Std Bump Stop Kit

JKS2518 – Rear Coilover Conversion Brackets

Jspec Shocks – JSPEC9322, JSPEC9329

FOX 2.0 Shocks/Stabilizers – 98524173, 98302148, 98502127, 98524180, 98524182, 98524181, 98524171, 98524177, 98524172, 98524178

FOX 2.5/3.0 Shocks/Coilovers – 88326051, 88326055, 88326050, 88326054, 88326057, 88326058, 88406252, 88406253


2021 Jeep Wrangler JL


© JKS Manufacturing

About JKS: Since 1989, JKS Manufacturing has developed some of the most widely used and respected products for Jeep vehicles in the off-road industry. From the original Quick Disconnect™ brand of quick-release swaybar disconnect systems, to the innovative ACOS Pro™ variable height coil spring spacer with integrated bump shock, JKS® only manufactures products that provide unquestionable benefits to vehicle performance. It's no coincidence that those who know Jeep performance best choose JKS products for their own vehicles.

JKS Manufacturing, 491 W. Garfield Ave. Coldwater, MI 49036

(517) 278-1226 | |


Factory Protection Plus Badge

The Ultimate Lifted Suspension Protection Coverage and it’s FREE!

Limited Lifetime Warranty

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
Drivtrain 5year 60K Mile Protection

When you see this symbol you will know with confidence this application has been tested and successfully passed the Federal Motor Vehicle Safety Standard (FMVSS) No. 126 test. This highly specialized test was performed to show the installation of this particular J-Rate suspension system, with a specific tire and wheel package would not compromise the performance and effectiveness of the vehicle’s Electronic Stability Control (ESC) system.

Drivtrain 5year 60K Mile Protection

The cherry on top for the industry leading Factory Protection Plus Program is the Supplemental Limited Warranty offered at no additional cost to the customer. This warranty is designed to supplement the factory drivetrain warranty on each vehicle and provides the extra peace of mind knowing your Jeep is protected. All J-Rated lift systems include this supplemental coverage to match either the factory 5-year/100,000-mile drivetrain warranty offered.


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