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Fitment

YearsMakeModelDriveEngine
2018-2025JeepWrangler2WDGas
2018-2025JeepWrangler4WDGas

Features

  • Front FOX 2.5 Remote DSC Coilovers w/ Bolt-On Brackets for improved performance, strength and tunability.
  • Rear FOX 2.5 Piggyback 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 Rear Sway Bar Links for increased off road articulation.
  • Extended Length Braided Stainless Steel Rear Brake Lines.
  • Front/Rear J-Flex or J-Link Upper Control Arms to add strength and adjustability.
  • Front/Rear J-Flex or J-Link Lower Control Arms to add strength and adjustability.
  • 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"
  • Shocks Included: Yes
  • Lift Height: 2-3.5"
  • Est. Install Time: 14 hrs
  • Difficulty Level: Very Difficult
  • Wheel/Tire Fitment:
    • 35 x 12.5 with 17 x 8 and 3.5 in. Backspace

(Trimming may be required)

  • Part Number : JSPEC129KFC/JSPEC183KFC

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
  • Will NOT fit 4xe models
  • Will NOT fit Rubicon 392 models
  • Will NOT fit diesel models
  • Fits Rubicon Models Only
  • ATTN State of California Consumers warning: Cancer and Reproductive Harm

JKS JSPEC129KFC/JSPEC183KFC 3.5" J-Max Lift Kit

4.9256198347107 847 5
98.512396694215%
4.9/5 out of 847 Company Reviews. Rating:
JKS JSPEC129KFC/JSPEC183KFC 3.5
6203.60In stock
As low as $6,203.60 Regular Price $7,754.50
As low as $6,203.60 Regular Price $7,754.50

Configure Your Kit:


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Product Details

J-Max pulls out all of the stops to offer a truly performance driven suspension package. At each corner are custom tuned FOX 2.5 factory race series coilovers with DSC adjustment. These coilovers offer race proven technology with a larger 2.5” diameter body, dual rate springs and (DSC) dual speed compression adjustment for maximum tunability. Each of the 8 control arms, upper and lowers, front and rear are upgraded to J-Flex or J-Link adjustable control arm for improved strength, offroad performance and adjustability.

In addition, these kits feature high strength bolt-on coilover mounting brackets, an adjustable front track bar, sway bar quicker disconnects and more offer take your Jeeps trail performance and strength to the next level. It should be noted that 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.

Rubber Bump Stop:

Rubber factory style bump stops provide a hard stop for the suspension will keep your shocks and other components safe. They are great for road use and light to moderate offroading where the bump stops will be engaged at low speeds.

FOX 2.0 Factory Race Series Hydro Bump Stop:

Engineered to perform in the roughest terrain, the FOX 2.0 Hydraulic Bump stops provide one more layer of shock absorption when utilizing the full travel of your suspension. Ideal for the avid offroader to take your Jeep to the next level in tackling big obstacles or taking on rough terrain at speed to maintain comfort and control.

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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