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Continue Shopping3.5" Lift Kit | J-Konnect | DIESEL | Wrangler JL 4 Door
- $1,690.91
3.5" Lift Kit | J-Konnect | DIESEL | Wrangler JL 4 Door Check the Fit
- $1,690.91
- Front/Rear Dual Rate Coil Springs designed to great ride quality across any terrain.
- Front/Rear Gas Shocks (JPSEC or FOX 2.0 Performance Series) 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/Rear J-Link Lower Control Arms to add strength and correct caster.
Upgrade your Diesel Jeep® Wrangler JL 4 Door with a J-Konnect 3.5" suspension system to fit larger tires and increase off road capabilities. The J-Konnect kit includes dual rate coil springs, tuned gas shocks, adjustable front track bar, J-Link lower control arms, and sway bar Quicker Disconnects. While the entry level J-Venture systems is designed for equal parts on-road handling and off-road capability, J-Konnect takes strength and performance a step further by adding front and rear fixed length J-Link lower control arms. These lower control arms not only add front caster and rear wheelbase, they are a serious upgrade to the strength over the factory control arms. Built 2” x .250-wall DOM tubing while offering better NVH isolation with large factory style rubber bushings at both ends. The end result is aggressive off-road performance and strength while maintaining excellent on-road manners. Get connected with J-Konnect.
Easy to install bolt on performance suspension to handle the toughest off road trails in your Diesel Jeep Wrangler JL 4 Door. Building off of the J-Venture systems designed for equal parts on-road handling and off-road capability, the J-Konnect system takes strength and performance a step further by adding front and rear fixed length J-Link lower control arms. These lower control arms not only add front caster and rear wheelbase, they are a serious upgrade to the strength over the factory control arms. Built 2” x .250-wall DOM tubing while offering better NVH isolation with large factory style rubber bushings at both ends. These combined with the dual rate coil springs, custom-valved FOX 2.0 IFP Performance Series shocks, adjustable track bar, quicker disconnects and more offer improved trail performance and strength while catering to on-road handling needs. Get connected with J-Konnect.
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"
- Factory wheels cannot be reinstalled without wheel spacers
- Will not fit 4xe models
- Will not fit Rubicon 392 models
In the box for JSPEC159K:
JSPEC1311 (x1) J-Konnect Main Box Kit
JKS1621 (x1) Fixed Front LCA - J-Link
JKS1671 (x1) Fixed Rear LCA - J-Link
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
In the box for JSPEC159KFP:
JSPEC1311 (x1) J-Konnect Main Box Kit
JKS1621 (x1) Fixed Front LCA - J-Link
JKS1671 (x1) Fixed Rear LCA - J-Link
JSPEC1352 (x1) 3.5in Front Coil Spring Kit - HD
JSPEC1359 (x1) 3.5in Rear Coil Spring Kit - STD
FOX98524177 (x2) Front, FOX 2.0 IFP Performance Shock
FOX98524178 (x2) Rear, FOX 2.0 IFP Performance Shock
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
All About Shocks
JSPEC Series Shocks
IFP design eliminates oil aeration Valved specifically for JSPEC systems. Direct bolt-in replacement.
Fox Performance Series IFP Shocks
The 2.0 Performance Series IFP shock has a predicable ride quality capable of handling the roughest road conditions.
Shock absorbers are an important part of your Jeep’s suspension system. JKS offers a range of custom-valved shocks to fit your budget and performance needs. JSPEC Series gas shocks feature affordable twin-tube design with custom valving for improved handling and ride quality on and off-road. Ride quality is tuned to work with large diameter all-terrain tires. For more aggressive off-road performance, step up to optional FOX shock absorbers. They feature IFP technology, aluminum bodies, heavy duty shafts and superior monotube valving for a better driving experience regardless of terrain.
Picking the Right Coil Springs
JKS J-Rated Suspension Systems feature custom wound, progressive rate coil springs. That means the spring rate increases as the spring is compressed. You and your Jeep enjoy a plush ride during low load driving scenarios such as highway cruising with increased performance as each spring compresses. If you carry a significant amount of extra gear in your Jeep, some J-Rated suspension systems are available with optional high-rate coil springs to support the additional weight.
Use the J-Rating™ Terrain Scale to choose the best lift kit for you and your Jeep. Find the right mix from navigating the on-ROAD jungle of your daily commute, TRAIL-riding off-camber and steep terrains, rock CRAWLing -- with maximum articulation and clearance, or bombing the BAJA desert at speed. JKS engineers a range of suspension systems with the right mix of parts for each environment. The J-Rated™ Terrain Scale to point you towards the right suspension system.
How do you use your Jeep?
Road-rated suspension systems deliver better than stock ride quality and performance. Great daily driven Jeeps that are driven on fire roads and see some trail use. Low maintenance.
Trail-rated kits are designed for weekend adventurers who love to explore. Available in 2.5" and 3.5" lift configurations, improved geometry yields excellent all-around performance for street, wet/dry, loose, rough, or steep-rutted terrains.
Prefer to challenge your driving skills? Crawl kits dramatically increase your Jeep’s flex and articulation with the extreme duty components. Prepare to crawl some rocks! Routine maintenance is required.
Embrace speed and handle the roughest terrains with Baja rated kits. Feel in total control through sand, whoops, and some of the most rugged natural terrains in Baja. Some maintenance required.
J-Venture
J-Venture suspension systems provide the perfect mix of trail capability, on-road handling, ride quality and budget. JKS upgrades key components for ground and tire clearance while retaining your Jeep’s factory control arms and bushings for comfort and ease of maintenance. Features include high-performance dual-rate coil springs to custom-valved monotube gas shocks, an adjustable track bar and Quicker Disconnect sway bar end links.
Select your Gladiator JT Kit:
J-Kontrol
J-Kontrol is a step up from J-Venture systems. JKS further enhances handling characteristics with the addition of control arm relocation brackets to optimize your Jeep’s control arm angles. The result is improved on-road handling characteristics. JK models receive a drag link flip to improve steering geometry. Like J-Venture, J-Kontrol systems include high-performance dual-rate coil springs, custom-valved gas shocks, a JKS adjustable track bar and Quicker Disconnect Sway Bar End links.
Select your Wrangler JK Kit:
J-Konnect
When it comes time to hit the trail, the J-Konnect is ready for action. These kits build on the baseline J-Venture to to improve strength and handling characteristics offering impressive offroad trail performance while still comfortable to take on your daily commute. In addition to the high quality dual rate coil springs, specially valved gas shocks, JKS adjustable track bar and quicker disconnects, these kits include high strength J-Link lower control arms designed to correct caster, increase tire clearance when turning and offer more durability. Get your Jeep trail prepped with J-Konnect.
J-Krawl
Pull out all the stops and build your Jeep to take on any terrain with J-Krawl. Ready to tackle any trail the J-Krawl systems raise the bar to improve additional articulation, more adjustability and high-end shock packages to soak up rough terrain. Similar to other Jspec kits this system includes high quality dual rate coil springs, JKS adjustable track bar and quicker disconnects. All (8) control arms are swapped out in favor of J-Flex upper and lower control arms to offer additional trail articulation, allow you to dial in axle positioning and provide a huge strength advantage over the factory arms. Additionally all J-Krawl systems come standard with premium FOX shocks.
J-Krawl
The J-Krawl was built to rock crawl. Its pulls out all the stops so your Jeep can take on any terrain with J-Krawl. These systems raise the bar to improve additional articulation, more adjustability and high-end shock packages to soak up rough terrain. Similar to other Jspec kits this system includes high quality dual rate coil springs, JKS adjustable track bar and quicker disconnects. All (8) control arms are swapped out in favor of J-Flex upper and lower control arms to offer additional trail articulation, allow you to dial in axle positioning and provide a huge strength advantage over the factory arms. Additionally all J-Krawl systems come standard with premium FOX shocks.
J-Max
While J-Krawl pulls out all of the stops, J-Max take even that performance to the next level with FOX 2.5 DSC adjustable coilover technology at all four corners. Designed for off the chart performance to soak up the roughest terrains, capable of additional wheel travel and articulation and more adjustability to dial the system in for your specific, J-Max ups the ante to offer truly next level Jeep suspension. Kits include coilover conversion brackets at each corner to mount the massive FOX 2.5 DSC coilovers, all (8) upper and lower J-Flex control arms, JKS adjustable track bar and quicker disconnects, upgraded bump stops, replacement SS brake lines and more. J-Max is ready for anything.
J-Konnect
If you’re looking for a kit built for desert go fast capability, J-Konnect may just be the right kit for you. Designed to improve offroad performance, more durability and clearance, these kits are right at home on any terrain on or off-road. Kits include high quality dual rate coil springs, specially valved gas shocks, JKS adjustable track bar, quicker disconnects and HD J-Link lower control arms designed for strength, durability and service-free operation. One important option to tackling Baja is shock damping – be sure to upgrade to FOX shocks to optimize performance.
J-Max
When it’s time to up the ante for truely next level performance capable of bombing down through Baja, J-Max is the kit of choice. J-Max is designed and tested for off the chart performance to soak up the roughest terrains, capable of additional wheel travel and articulation and more adjustability to dial the system in for your specific. Kits include coilover conversion brackets at each corner to mount the massive FOX 2.5 DSC coilovers, all (8) upper and lower J-Flex control arms, JKS adjustable track bar and quicker disconnects, upgraded bump stops, replacement SS brake lines and more. J-Max is ready for anything.