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Adjustable
Long Arm Kit
Rear
Kit
SKU: J-JK-R-LAK4

$1,999.95

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Rear Long Arm Kit: Enhanced Performance for Jeep Wrangler JK

Transform the rear axle of your Jeep Wrangler JK (model years 2007-2018) with our Rear Long Arm Kit. Designed specifically for these models, this kit is engineered to boost the rear suspension’s durability and performance, ideal for off-road driving enthusiasts.

Optimized Rear Axle Design for Wrangler JK:

  • 7075 Aluminum Rear Control Arms: Constructed using 2-inch and 1.5-inch 7075 aluminum, these rear control arms enhance strength and lightness, improving handling and stability for the JK’s specific needs.
  • Custom-Designed Rear Brackets: The 3/16″ steel rear brackets are laser-cut and precision bent to ensure a precise fit and robust support tailored for the Jeep Wrangler JK’s rear axle.

Control Arm Memory: Reliability in Rugged Terrains

Featuring ‘memory’ attribute, our 7075 aluminum rear control arms revert to their original shape after impacts. This resilience is crucial for navigating tough terrains, maintaining the integrity of your Jeep’s rear suspension.

Rear Axle Kit Components:

  • Rear Long Arm Control Arm Sets crafted from 7075 aluminum.
  • Left and Right Rear Frame Brackets designed for the Jeep Wrangler JK.
  • Left and Right Rear Body Mount Relocator Brackets.
  • A comprehensive array of installation hardware, including bolts, nuts, and washers.

Installation and Jeep JK Compatibility:

  • Expert Installation Recommended: The kit requires precise cutting and welding, making it suitable for those experienced in vehicle modification. Detailed instructions are included to ensure a successful installation process.
  • Specially Designed for Jeep Wrangler JK: This rear axle kit is specifically tailored for Jeep Wrangler JK models from 2007 to 2018, providing an ideal fit and optimized performance for these particular models.

Upgrade Your Jeep JK for Off-Road Adventures:

Equip your Jeep Wrangler JK with our Rear Long Arm Kit to significantly improve its off-road capabilities. This kit promises to enhance handling, stability, and overall performance, preparing your Jeep for challenging off-road conditions. Note: We can engrave our logo upon request, but standard arms will just get stickers.
Series
Color OptionsCharcoal, Orange, Yellow, Blue, Green, Light Green, Red, Purple, Black, White
Built With1.75" OD 5/16" Wall On lower control arms, 1.5" OD 5/16" Wall On upper control arms
Grease FittingsIncluded
Lift Range
Fixed End
Thread Size1" x 14 TPI on upper control arms, 1.25" x 12 TPI on lower control arms
Thread Length
Make Model Year
0

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