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Jeep Wrangler JK / JKU 07-18 4pc Cruise Series Rear Adjustable Control Arm Kit

SKU: CRS-J-JK-RS4
Fits: 2007 - 2018 Jeep Wrangler JK / JKU Add vehicle

472.45 472.45 USD 472.45

472.45

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.
  • Hardware
    Choose upgraded hardware if your factory hardware is worn, damaged, or missing.
  • 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

Upgrade Your Rear Suspension for Maximum Performance

Enhance your Jeep Wrangler JK's handling, durability, and ride quality with the Cruise Series Rear Control Arm Set. Designed to provide a significant improvement over factory parts, this set includes both rear upper and rear lower control arms to optimize axle alignment, improve suspension geometry, and reduce unnecessary wear on suspension components.

Whether you're tackling off-road trails or enjoying a smooth highway ride, these control arms offer unmatched strength and flexibility.

What’s Included in the Kit?

  • Pair of Cruise Series Rear Upper Control Arms (CRS-J-JK-RU2)
  • Pair of Cruise Series Rear Lower Control Arms (CRS-J-JK-RL2)

Key Features and Benefits

  • Heavy-Duty Steel Tubing Construction – Provides superior strength and durability compared to factory control arms.
  • Tapered Polyurethane Bushings – Reduces road noise, enhances responsiveness, and improves ride quality over standard rubber bushings.
  • Corrects Pinion Angle Re-centers Rear Axle – Adjustability allows for pinion angle correction, eliminating driveline vibrations and ensuring proper suspension geometry.
  • Adjustable for Lifted Vehicles – Accommodates lifts from 0 to 6 inches, ensuring proper alignment and handling for various lift setups.
  • Complete Rear-End Suspension Solution – When paired with our Cruise Series Front Control Arm Set (CRS-J-JK-FS4), this kit provides full suspension adjustability, improving drivability, eliminating wandering, and correcting alignment issues. For lifts beyond 6 inches, contact us for custom solutions.

Durable Two-Stage Powder Coating

Our control arms undergo a two-stage powder coating process to maximize corrosion resistance and durability: Zinc primer base coat – Protects against rust and harsh environmental conditions. Durable top coat – Available in 10 color options to personalize your suspension components.

Proudly Made in the USA

Manufactured in Orem, UT, the Cruise Series Rear Control Arm Set is built to the highest American standards, ensuring quality, reliability, and performance.

Effortless Installation

  • Designed for easy bolt-on installation, this control arm set uses factory hardware.
  • If dealing with rusted or stubborn bolts, we offer optional Grade 8 hardware kits separately for a hassle-free setup.

In Conclusion

The Cruise Series Rear Control Arm Set is the ultimate upgrade for Jeep Wrangler JK owners looking to correct alignment issues, improve handling, and increase suspension durability.

When paired with our Front Control Arm Set, this complete solution eliminates wandering, restores proper suspension geometry, and enhances both on-road and off-road performance.

Upgrade today and take control of your Jeep’s suspension!


Make Model Submodel Years
Jeep Wrangler 2007 - 2018

Each rebuild kit includes all necessary components to replace and restore wearable parts.

Vehicle Jeep Wrangler JK / JKU (07–18)
Brand CORE 4X4
Color Black or Blue or Charcoal or Green or LightGreen 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.
Hardware No Hardware or Complete Kit
Series Cruise 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.
MM
MIKE (Mike the Mechanic) Jul 26, 2025
Google
Amazing company and customer service!!!! I messed up on my order and the fixed it immediately. Would definitely recommend them. Can't wait to hit the trails with their product.
CM
Cameron Masters Mar 24, 2023
Google
Absolutely incredible family owned business. I asked to pick up my order since I’m local and they came in on a weekend to accommodate. Had to make some adjustments to parts and took the time to make sure it was perfect. Parts are incredible quality. If you have a Jeep, do not hesitate to support this local business.
WT
William Turton Nov 23, 2025
Google
Finally a company with a great product and customer service to match. I changed my order last minute from short arms to long arms. The lift is extremely well built. Korbey was awesome! Highly recommend Core 4x4
CT
Canon TeSelle Jun 26, 2025
Google
Great Experience. I wanted to make changes to my order and Korby was more than willing to work with me to get everything corrected. Hope to deal with these guys again in the future.
JW
Jonathan Word Aug 25, 2025
Google
Beefy parts made and painted well, very fair pricing for what you get, and fantastic customer service to boot. Easily my favorite place to get suspension parts.
MH
mark hinz Mar 2, 2026
Google
Went above and beyond to get the parts we needed to complete our customers build for Moab Easter safari cant thank you enough for all your hard work and efforts Thank you and look forward to working with you in the near future
RH
Rex Hodges Jun 26, 2025
Google
After ordering an upper and lower adjustable control arm kit manufactured by CORE 4X4 from a jeep parts distributor who's intials are E.T., they came with 3 of the threaded ends missing. After over 2 months of phone calls and emails to this E.T. company nothing was resolved. I finally decided to call CORE 4X4 myself and tell them my dilemma. I spoke with a very personable and professional gentleman named Korby, who is one of CORE 4X4's representatives, after a brief discussion of what I went thru he simply asked me for a picture and some measurements and the items I was missing and asked if I could cover ONLY the cost of shipping and I had my missing parts in exactly 1 weeks time. This company not only builds all it's parts in the U.S.A., they stand behind their products with great customer service and life time warranty. My experience with this company and their Rep Korby was fantastic. I would definitely recommend CORE 4X4 to anyone who needs parts for any 4x4 projects. You just can't beat their quality and service. Rex Hodges Valparaiso, Indiana
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