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Rock Krawler 3.5 in. X Factor Lift Kit System (07-18 Jeep Wrangler JK 4 Door)

ExtremeTerrain no longer carries the Rock Krawler 3.5 in. X Factor Lift Kit System (07-18 Jeep Wrangler JK 4 Door). Please check out 2007-2018 JK Jeep Wrangler 2.5-3.75" Lift Kits for an updated selection.
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Features, Video & Details

  • Lift Kit System
  • Improves Vehicle Clearance
  • Up to 35" or 38" Tires
  • Full Installation Kit
  • Premium-Grade Alloy Steel Parts
  • Re-Positions Rear Axle Back Up to 1" Over Stock
  • Bolt-On System
  • Abuse-Proof Lifetime Warranty on All Hard Parts
  • 2007-2018 Jeep Wrangler JK (4-Door)

Review & Installation Video

Review & Install Video

Improved Vehicle Performance. This all-inclusive Rock Krawler 3.5 in. X Factor Lift Kit System gives your Jeep Wrangler better ground clearance by letting you raise your Wrangler up to 3.5 inches. The adjusted stance improves vehicle clearance for better handling and highway ride.

It's All in the Details. The Rock Krawler 3.5 in. X Factor Lift Kit System lift system features specialized parts for improved vehicle performance. Solid alloy steel construction offers added durability, and most of the parts feature additional benefits, such as anti-wobble and further adjustable capabilities, giving you maximum control over both your vehicle's stance and its handling overall.

All-Inclusive Installation Kit. This is a serious kit for a serious improvement to your Wrangler. The kit includes all hardware you'll need for the install, plus detailed instructions to ensure a professional installation. It's a complete bolt-on system requiring no drilling.

Warranty. Rock Krawler provides an abuse-proof lifetime warranty on all hard parts.

Application. The Rock Krawler 3.5 in. X Factor Lift Kit System accommodates up to 35" tires (OEM fenders) or up to 38” tires (flat fenders) and is designed for 2007-2018 4-door Jeep Wranglers.

Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Details

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (4) Multi Rate Coil Springs
  • (2) Double Adjustable Track Bars
  • (4) Lower Control Arms
  • (2) Front Upper Control Arms
  • (2) Rear Upper Control Arms
  • (2) Front Sway Bar Disconnects
  • (2) Rear Extended Sway Bar Links
  • (1) Rear Track Bar Relocation Bracket
  • (4) Long Travel Stainless Steel Brakes
  • (1) Pair of Sway Bar Straps
  • (2) Rear Coil Spring Degree Wedges
Installation Info
Tech Specs
Will it fit my Wrangler?

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Questions & Answers (8)

5 Top Rated Questions

is this lift kit indefinitely discontinued?

  • At this time, we do not have any information on if this kit will be available again.

Helpful (0)

What steering mods are suggested with this kit?

  • Steering upgrades would depend on what size tires you plan on adding with yourRock Krawler 3.5 in. X Factor Lift Kit System! Please contact us directly and we'd be happy to discuss your options! Our contact information can be found here:

Helpful (0)

Hi, Will this lift kit work with these FOX shocks? What are the driveshafts required please, can you post the links or part numbers here please?

  • Thank you for your question! Rock Krawler recommends a Front Shock with 2" bump stops that is 17" Collapsed to 29" Extended and a Rear shock with 2 " bump stops that is 17" Collapsed to 27" Extended. The FOX 2.0 Performance Series IFP Shocks for 4-6 in. Lift are the recommended lengths that Rock Krawler suggests and would work perfectly with this kit! Also, because of the longer wheel base with the JKU's you should not need to replace/extend your driveshafts until you reach 4" of lift. Rock Krawler does recommend though for 2012 and newer models an aftermarket front driveshaft with 2" O.D. steel tubing, but it is not required.

Helpful (0) Show 1 more answer

Instructions require moving the rear sway bar back one inch. It doesn't look like you did this step. Did you have problems with links coming into contact with rear axle? I really like this kit but I am hesitant to purchase because I don't like the idea of moving the sway bar and replacing oem nuts and bolts with "self tapping screws". I own a 2013 JKU Rubicon. I'm also interested in the X-factor 2.5 in. lift and switching to 35 in. tires. I really appreciated this video.

  • It is not necessary to relocate the swaybar with the Rock Krawler 3.5 in. X Factor Lift Kit System, however this is recommended to achieve maximum off road performance.

Helpful (0)

Will this work with my electronic disconnect sway bar system in my rubicon? Or do i need to buy extra accessories for it to work?

  • This Rock Krawler 3.5 in. X Factor Lift Kit System (07-17 Wrangler JK 4-Door) would work with your Rubicon, no additional accessories would be needed.

Helpful (0)
Post Your Question
3 More Questions
Hi, interested in this kit for a 4dr JKU and planning on 35" tires. In your experience, will I need to worry about new driveshafts as well? With going up 3.5", I know the angle will change, but is it enough to worry about? Thanks for any help 1 answer
Will I need a Rough Country Forged Front Adjustable Track Bar with this lift kit? 1 answer
Will I need to install Rough Country Front Control Arm Geometry Correction Brackets with this lift kit? 1 answer

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Customer Reviews (2) Write a Review

Overall Rating 5

out of 5 stars

Installation Time:Weekend

Installation Cost:$250-$500

  • Appearance 5 5
  • Bang For Your Buck 5 5
  • Onroad Ride Quality 5 5
  • Offroad Capability 5 5

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $250-$500

    September 18, 2017

    Amazing On Road and Off Road

    Have this kit on my 09 Rubicon JKU with Fox 2.0 shocks. This kit is amazing, I have had other lift kits on past vehicles (mine and other family members). The problem I always had with lifts was something had to sacrificed either with on road or off road. This kit solves it all while still being a big enough lift to make it very substantial for off road but giving it amazing on road manners. not cheap but you get what you pay for.


    Year: 2009Submodel: Wrangler

    Helpful (8)

  • 5/5

    Installation Time: Weekend

    February 15, 2017

    It really is a Smooth Highway ride!

    This is my 3rd Jeep and the second lift kit I've installed myself. I'm a banker by day, not a mechanic and this was actually a little easier than the last kit with no need for Pitman Arm puller or spring compression tool. The components are high quality and feel solid. I ran into no real issues during the install on my 2015 JKU but lining the joints up correctly with the correct torque was a challenge. I recommend making measurements prior to install on all arms and bars and then fine tune them and crank down those jam nuts when the vehicle is on the ground. Oh, and set the vehicle down prior to adjusting the length on the front track bar as the front end will look severely shifted while on jacks. If you use RK's suggested length settings it should straighten out perfectly when you lower it to the ground. I installed Fox 2.0 shocks and the ride is amazing!! I couldn't be happier with this purchase!


    Year: 2015Submodel: Wrangler

    Helpful (9)

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