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.
Features & Benefits
- Front/Rear Dual Rate Coil Springs (standard or HD) designed to great ride quality across any terrain.
- HD springs offer additional load capacity for vehicles equipped with winch bumper, fullsize spare, roof rack, etc.
- Front/Rear Gas Shocks (JSPEC or FOX 2.0) 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 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.
J-Konnect suspension systems are J-Rated™ for road and trail use with some rock crawling. Optional FOX shocks increase ratings for all terrains – On and off-road.
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.
In the Box
In the box for JSPEC123K :
- JKS1621(x1): JL Fixed Front LCA - J-Link
- JKS1671(x1): JL Fixed Rear LCA - J-Link
- JSPEC1311(x1): 2018-2020 Jeep Wrangler JL J-Konnect Main Box Kit
- JSPEC1351(x1): JL 3.5in Front Coil Spring Kit - STD
- JSPEC1359(x1): JL 3.5in Rear Coil Spring Kit - STD
- JSPEC9322(x2): JSPEC - 26.2 x 15.67 x 2-3/8 - EB1/EB1
- JSPEC9329(x2): JSPEC - 29.78 x 17.59 x 2-3/8 - EB1/EB1
