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Fitment

YearsMakeModelDriveEngine
2007-2010JeepWrangler4WDDiesel
2007-2010JeepWrangler4WDGas
2011-2017JeepWrangler2WDDiesel
2011-2017JeepWrangler2WDGas
2011-2017JeepWrangler4WDDiesel
2011-2017JeepWrangler4WDGas
2018JeepWrangler JK2WDDiesel
2018JeepWrangler JK2WDGas
2018JeepWrangler JK4WDDiesel
2018JeepWrangler JK4WDGas

"

Features

  • Front FOX 2.5 Remote Reservoir DSC Coilovers w/ Bolt-On Brackets for improved performance, strength and tunability.
  • Rear FOX 2.5 Remote Reservoir DSC Coilovers w/ Bolt-On Brackets for improved performance, strength and tunability.
  • Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle.
  • Front Sway Bar Quicker Disconnects and Brake Line Brackets to allow for increased offroad articulation.
  • Front+Rear J-Flex or J-Link Lower Control Arms for improved strength and caster correction.
  • Front+Rear J-Flex or J-Link Upper Control Arms for improved strength and caster correction.
  • Front+Rear Bump Stop Extensions to properly limit suspension up travel.

Quick Specs

  • Front Lift Method: Coil-Over
  • Front Lift Height: 3.5"
  • Rear Lift Method: Coil-Over
  • Rear Lift Height: 3-5"
  • Shocks Included: Yes
  • Lift Height: 2-3.5"
  • Est. Install Time: 10 hrs
  • Difficulty Level: Very Difficult
  • 35 x 12.5 with 16 x 8 and 3.5 in. Backspace
  • 35 x 12.5 with 17 x 9 and 3.5 in. Backspace
  • 35 x 12.5 with 18 x 9 and 3.5 in. Backspace

Trimming may be required

  • Part Number : JSPEC153KF/JSPEC195KFC

Important Notes

  • Factory wheels cannot be reinstalled without wheel spacers
  • Aftermarket wheels with 3.5” backspacing are required for clearance
  • Requires cutting/removal of factory frame mount brackets
  • Front aftermarket driveshaft strongly recommended due to additional travel capability
  • Removal of coilover preload required on 2Dr models to achieve a minimum 3.5” of lift
  • Rear aftermarket driveshaft strongly recommended for 2Dr models
  • ATTN State of California Consumers warning: Cancer and Reproductive Harm

JKS 3.5" J-Max Lift Kit

2007–2010 Jeep Wrangler 4WD Diesel/Gas 2011–2017 Jeep Wrangler 2WD/4WD Diesel/Gas 2018 Jeep Wrangler JK 2WD/4WD Diesel/Gas
4.9256198347107 847 5
98.512396694215%
4.9/5 out of 847 Company Reviews. Rating:
JKS 3.5
5018.86In stock
2007–2010 Jeep Wrangler 4WD Diesel/Gas 2011–2017 Jeep Wrangler 2WD/4WD Diesel/Gas 2018 Jeep Wrangler JK 2WD/4WD Diesel/Gas
As low as $5,018.86 Regular Price $6,273.57
As low as $5,018.86 Regular Price $6,273.57

Configure Your Kit:


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Product Details

Build the ultimate Jeep Wrangler JK and be ready for any terrain with the JKS J-Max 3.5" suspension system. The J-Max kit includes front and rear 10" FOX 2.5" diameter Factory Race Series coil-over shocks with DSC adjustable remote reservoirs, front adjustable track bar, rear track bar bracket, J-Flex or J-Link upper and lower control arms, and bump stop extensions.

J-Max pulls out all of the stops to offer a truly performance driven suspension package. At each corner the custom tuned 10" travel FOX 2.5" diameter Factory Race Series coil-overs with DSC adjustment provide the ultimate in tuning options. Custom dual rate springs specifically designed for the JK dial in the ride height with the DSC adjusters providing both high and low speed compression adjustments.

J-Flex or J-Link adjustable control arms improve strength, off-road performance and adjustability. J-Max suspension systems feature high-strength bolt-on coil-over mounting brackets, an adjustable front track bar, sway bar quicker disconnects. Take your Jeep's off-road performance and strength to the max with J-Max. An aftermarket front driveshaft is strongly recommended due to additional travel capable.

Flex Ends:

Forged flex end and jam nut Flex end design allows for 30-degrees of misalignment (15 in either direction) for impressive articulation and are greaseable to ensure long bushing life. Completely rebuildable and serviceable on the trail with our JKS Flex Joint tools (link to tool).

Rubber bushings:

Engineered specifically to reduce NVH characteristics (Noise, vibration, harshness), these factory style maintenance-free rubber bushings come pre-installed at both ends and will ensure a quiet, controlled ride with hassle-free operation in any environment.

Typically Ships In
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Please note the ship times are estimates however we have seen a major improvement in overall supply chain issues in recent weeks.

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