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Adjustable
3.5" 2 & 4 Door Lift Kit

Jeep, Wrangler JK/JKU, 2007, 2018

Complete
Kit
SKU: CRL-J-JK-LK
Save 5%

$2,999.99
$2,849.99

The Core 4×4 2.5T Over The Knuckle Steering kit upgrade ships with an additional bracket and hardware to relocate your front track bar.

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Conquer Any Terrain with Core4x4’s Crawl Series Lift Kit for Jeep JK Wrangler!

Elevate your off-road experience with Core4x4’s Crawl Series Lift Kit designed specifically for Jeep JK Wrangler models (2007-2018). Engineered for extreme off-roading, this kit empowers you to conquer the most challenging trails with unmatched strength, precision, and durability.

 

Note: The Core 4×4 Steering Kit addon is over the knuckle and requires minor drilling. Necessary hardware and additional front trackbar relocation bracket are provided.

Key Features:

  • 3.5″ Lift for Extreme Off-Roading:

    Gain significant ground clearance to tackle rugged terrain and accommodate larger tires, ensuring you overcome the toughest obstacles with ease. The Crawl Series offers unparalleled performance and capability for conquering the most demanding terrains.

  • Heavy-Duty Control Arms:

    All 8 Crawl Series adjustable control arms (front and rear) ensure maximum strength and precise suspension articulation. Engineered to withstand extreme conditions, these control arms provide unparalleled durability and control.

  • Adjustable Track Bars:

    Front and rear Crawl Series track bars maintain optimal axle alignment and stability during aggressive maneuvers, handling heavy off-road use with ease.

  • Triple Rate Coil Springs:

    Experience superior ride quality and off-road performance with triple rate coil springs that deliver unmatched comfort and stability across any terrain.

  • High-Performance Shock Absorbers:

    Matched to the lift height, these shock absorbers provide exceptional damping control, ensuring a smooth and controlled ride even in the most challenging conditions.

  • Extended Brake Hoses:

    Accommodate increased suspension travel, ensuring reliable braking performance during intense off-road driving.

  • Extended Bump Stops:

    Front and rear extended bump stops prevent damage to your vehicle’s suspension components during extreme suspension compression.

  • Raised Rear Track Bar Bracket:

    Corrects roll center and improves handling for enhanced stability and control on and off the trail.

  • Front and Rear Extended Sway Bar Endlinks:

    Included for improved handling and stability on any terrain.

What’s Included:

  • Front and Rear Triple Rate Coil Springs
  • Front and Rear Shock Absorbers matched to lift height
  • All 8 Crawl Series Adjustable Control Arms (Front and Rear)
  • Front and Rear Crawl Series Track Bars
  • Extended Brake Hoses
  • Extended Front and Rear Bump Stops
  • Raised Rear Track Bar Bracket
  • Installation Hardware
  • Front and Rear Extended Endlinks

Tire Fitment:

  • Fits up to 37″ tires with stock fenders.
  • Fits up to 38″ tires with high clearance fenders and some trimming for tire clearance.

Why Choose Core4x4’s Crawl Series:

At Core4x4, we are dedicated to pushing the limits of off-road performance. The Crawl Series Lift Kit embodies our commitment to excellence, providing Jeep JK Wrangler owners with the ultimate solution for tackling extreme terrain. Backed by our reputation for quality and durability, the Crawl Series Lift Kit is the perfect choice for enthusiasts who demand the highest level of performance from their vehicles.

Order Now:

Take your off-road adventures to the next level with Core4x4’s Crawl Series Lift Kit. Engineered for extreme performance and durability, this lift kit is designed to conquer any trail with confidence. Upgrade your Jeep today and experience the thrill of true off-roading excellence!

 

SeriesCrawl
Color OptionsCharcoal, Orange, Yellow, Blue, Green, Light Green, Red, Purple, Black, White
Built With1.75" OD 5/16" Wall DOM tubing on lower control arms, 1.5" OD 5/16" Wall tubing on upper control arms, .75" Cold Rolled Steel End Links
Grease FittingsIncluded
Lift Range
Fixed EndJohnny Joint
Thread Size1" x 14 TPI on upper control arms, 1.25" x 12 TPI on lower control arms
Thread Length
Make Model Year
Jeep Wrangler JK/JKU 2007
Jeep Wrangler JK/JKU 2008
Jeep Wrangler JK/JKU 2009
Jeep Wrangler JK/JKU 2010
Jeep Wrangler JK/JKU 2011
Jeep Wrangler JK/JKU 2012
Jeep Wrangler JK/JKU 2013
Jeep Wrangler JK/JKU 2014
Jeep Wrangler JK/JKU 2015
Jeep Wrangler JK/JKU 2016
Jeep Wrangler JK/JKU 2017
Jeep Wrangler JK/JKU 2018

FAQs

Our product lines are designed to offer the absolute most value for your budget. Not every build is the same and we understand that. Our series differ mostly in the components used in the construction of the parts. Our Cruise and Town Series utilizes our high grade flex poly bushings at both ends of the arm, this has proven to be a smooth riding easy to maintain and replace bushing that we absolutely love. Our Camp and Trail Series utilizes 5/16″ wall DOM tubing and incorporates a flexible Johnny Joint at the adjusting end, this series has been our most popular series for all around use, great for daily drivers that want to tear up the trails as well. Our Crawl, Tow, and Track Series utilizes the same 5/16″ wall DOM tubing, but features Johnny Joints at both ends. This series gives you the absolute most out of your suspension. This is great for heavy towing/hauling and extreme off-roading. Also, if the component is straight in these series we will machine these left and right hand threaded for easy adjustment on the vehicle!

We are constantly expanding our product lines to include complete kits, if you don’t see something on the site for your vehicle, reach out to our sales team and we can put something together for you.

Our two main sizes of jam nuts require an1-1/2″ wrench or an 1-5/8″ wrench. Generally speaking the 1-5/8″ jam nuts are used on our lower control arms and the 1-1/2″ jam nuts on our upper control arms and track bars. There are some exceptions, but we do offer a crow’s foot that has both sizes.

Any non-synthetic moly based grease is safe on our products, avoid lithium greases and anything red as this can prematurely deteriorate the internal components of the Johnny Joints and bushings used on our parts.

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If you manage to break It,
we'll replace it.

As the founder of Core 4×4, I stand behind our unwavering commitment to delivering top-tier, American-made products that don’t break the bank. We take immense pride in our craftsmanship, sourcing materials domestically to ensure the highest quality possible. Our team goes the extra mile to rigorously test and refine every product, ensuring it not only meets but exceeds industry standards. When you choose us, you’re choosing durability, reliability, and affordability. That’s not just a business model— it’s a promise, from our family to yours.

Sincerely,
Spence Schramm
Founder, Core 4×4