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3,123.71 3123.71 USD 3,674.95

3,674.95

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Jeep Wrangler JK / JKU 07-18 Crawl Series 3.5" Lift Kit

SKU: CRL-J-JK-LK
Fits: 2007 - 2018 Jeep Wrangler JK / JKU Add vehicle

3,123.71 3123.71 USD 3,674.95

3,674.95

Starting at $110/mo or 0% APR with . See if you qualify

Build Your Kit

  • Vehicle
    Confirm this matches your vehicle. Use Shop by Vehicle to filter correctly.
  • Brand
  • Color
    Powder coat color for control arms and track bars. Does not affect performance.
  • Lift Kit Steering Upgrade
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • Lift Kit Steering Stabilizer Clamp
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • JK Long Arm Upgrade for Lift Kit
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • Shocks
  • Number of Doors
  • Series
    Cruise: daily driving and light off-road. Camp: overlanding. Crawl: aggressive rock crawling.
  • Note to Core4x4:

Select Color to see price and add to cart.

4–8 hr install Moderate Alignment recommended Lifetime warranty on all non-wear items Made In USA

Conquer Any Terrain with the Crawl Series Lift Kit

Transform your Jeep JK Wrangler into the ultimate off-road machine with Core4x4’s Crawl Series Lift Kit. Designed for extreme off-roading, this comprehensive kit delivers unparalleled strength, precision, and durability to tackle even the most challenging trails with ease.

What’s Included?

  • Front and Rear Triple Rate Coil Springs (4)
  • (Optional) Front and Rear High-Performance Shock Absorbers (4)-Make Selection Above
  • Crawl Series Adjustable Control Arms (Front and Rear) (8)
  • Crawl Series Adjustable Track Bars (Front and Rear) (2)
  • Crawl Series Extended Sway Bar End Links (Front and Rear) (4)
  • Extended Brake Hoses (4)
  • Extended Front and Rear Bump Stops (4)
  • Raised Rear Track Bar Bracket (1)
  • Installation Hardware

Key Features Benefits

  • 3.5" Lift for Extreme Off-Roading – Gain significant ground clearance to accommodate larger tires and navigate rugged terrain with ease.
  • Heavy-Duty Adjustable Control Arms – Includes all 8 Crawl Series adjustable control arms, providing maximum durability and precise suspension articulation.
  • Adjustable Front and Rear Track Bars – Ensures optimal axle alignment and stability, improving handling during extreme off-road conditions.
  • Triple Rate Coil Springs – Designed for unmatched comfort, stability, and superior ride quality across all terrains.
  • High-Performance Shock Absorbers – Specifically matched to the lift height for enhanced damping control, ensuring a smooth, controlled ride.
  • Extended Brake Hoses – Accommodates increased suspension travel while maintaining reliable braking performance.
  • Extended Sway Bar End Links – Improves handling and stability, ensuring better control on and off the trail.
  • Extended Bump Stops Raised Rear Track Bar Bracket – Protects suspension components during extreme compression and improves roll center for enhanced stability.

Two-Stage Powder Coating for Maximum Protection

All components undergo a two-stage powder coating process for superior durability and corrosion resistance. A zinc primer base coat provides rust protection, while a durable topcoat is available in 10 color options to match your build.

Made in the USA

Proudly designed, engineered, and manufactured in Orem, UT, ensuring superior craftsmanship, strict quality control, and long-term reliability.

Complete Hardware Included

This kit comes with all necessary installation hardware, eliminating the need for additional purchases.

Conclusion

The CORE 4X4 Crawl Series Lift Kit (CMP-JK-LK3.5-CRL) is the ultimate suspension upgrade for Jeep JK Wrangler owners who demand extreme off-road performance, durability, and articulation. Upgrade today and experience next-level control, stability, and ride quality on the toughest trails!

Important Notes:

When using this lift kit with a factory front driveshaft, contact between the driveshaft and exhaust is inevitable-leading to failure of the factory driveline. Exhaust spacers can prolong the life of the factory shaft, but we recommend upgrading to an aftermarket driveshaft to permanently fix this issue.



Make Model Submodel Years
Jeep Wrangler 2007 - 2018

Vehicle Jeep Wrangler JK / JKU (07–18)
Brand CORE 4X4
Color Black or Blue or Charcoal or Green or Light Green or Orange or Purple or Red or White or Yellow or Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Lift Kit Steering Upgrade No or Yes, include 2.5 ton steering upgrade with included front track bar bracket and flipped drag link.
Lift Kit Steering Stabilizer Clamp Standard Clamp or Hydraulic Assist Clamp
JK Long Arm Upgrade for Lift Kit No thanks-stick with short arms. or Yes, upgrade to long arms for full width front axle (straight aluminum lowers) or Yes, upgrade to long arms for factory width front axle (bent steel lowers)
Shocks Source My Own Shocks or Fox 2.0 Performance Series Shock Package or RockKrawler 2.25" RRD Shock Package
Number of Doors 2-Door or 4-Door
Series Crawl Series

See It Installed

Install videos and build guides on our YouTube channel.

Watch more installs on YouTube
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Reviews from Google

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
AP
Ajay Paynter Mar 4, 2026
Google
Great company, who worked with me on shipping parts to arrive in time for a show. When I explained my concern they went above and beyond to make it happen. Quality of the parts is top notch.
RC
Ryan Colligan Mar 4, 2026
Google
I have nothing but good things to say about Core 4x4. I have the crawler series on my JKU and we take it all over the place. These parts handle everything we throw at them.
MT
Marcus Torres Jan 15, 2026
Google
Best control arms I have installed on any of my builds. After running every major manufacturer, Core 4x4 is on par or better than all the high-end companies at a fraction of the cost. Lifetime warranty is the cherry on top.
DD
Dmitriy D May 27, 2025
Google
Installed rear and upper control arms and track bar on my 3rd Gen 4RUNNER to align rear axle and restore factory wheel base after 3.5" lift. Car drives better than New! Improved handling cornering and overall driving. Very solid and high quality made product. Support is outstanding. Shipping extremely fast. Thank you so much. I wish you will have something new for my car.
K
Korosunagi Jul 26, 2025
Google
I broke a grease fitting off in my end link. I thought I was going to have to buy a new one. Reached out to Core 4x4 and wham! bam! They fixed it and sent it back with 2 day shipping. Got it a day early even. If they couldn't fix it they were going to send me a new one. Now that's customer service! They are now a permanent part of my garage. Thank you Core 4x4!
CM
Craig MacIver May 27, 2025
Google
Got the CAMP version of adjustable control arms and track bars for our 03 TJ with a 3” lift and 33x10.5 KO 2’s. Super beefy bars, great fit and adjustability. Friendly advice and support from Korby at CORE 4X4. Good follow up as well. The ride quality is great as well as the handling. I think it all looks pretty good as well.
RH
R and H H Oct 24, 2025
Google
Top notch company. Mechanic lost bolts that clamp upper control arms. Korby sent out spare bolts no charge. Best customer service I’ve come across in a long time. Only suspension brand I’ll ever use.
TR
Tim Reigies Mar 25, 2018
Google
Received the track bar I ordered, product looks extremely strong, thx core 4x4
J
Justin Mar 24, 2021
Google
Small business, family owned, made in the USA, lifetime warranty. Purchased Tier 3 control arms and rear track bar for a 2006 Jeep LJ. Simple website and easy to contact over phone and email. I had some technical questions and they were happy to answer them. They allow local pickup and were built to order same week. The order was wrapped and ready when I walked in and even gave a tour of the shop. They abrasive blast all raw materials to achieve a better surface profile for powdercoat to adhere and create a smooth, durable finish. I also noticed several CNC machines and a robotic welder they use for all their parts. A small outfit with a robotic welder? Their concern for quality is obvious and it shows in the parts they make. Very impressed. Happy to do business with these guys.
TG
Travis Grimm Mar 23, 2024
Google
To start off if you're looking to upgrade your control arms definitely hit this company up. Great product, easy install of the product, with three different tiers everything is priced pretty good, I'm a sticker guy and they sent a sticker for each arm each track bar and also three extra ones so the extra are on the Jeep the advertise them for sure. If you're reading this review I highly recommend you to check their website out.
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