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4pc Cruise Series Rear Adjustable Control Arm Kit

Jeep Wrangler JK / JKU 07-18 4pc Cruise Series Rear Adjustable Control Arm Kit
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377.96 377.96 USD 472.45

472.45

(Save 20%)

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Order today — ships within 1–3 business days
Enter ZIP for arrival estimate change
Order by 3:00 PM MT today — we'll start tomorrow
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Lifetime warranty Fitment guarantee Ships from Orem, UT 4–8 hr install
COLOR 11 colors — pick yours
https://core4x4.com/web/image/product.template/2125/image_1920?unique=edc8f61

4pc Cruise Series Rear Adjustable Control Arm Kit

Jeep Wrangler JK / JKU 07-18 4pc Cruise Series Rear Adjustable Control Arm Kit
SKU: CRS-J-JK-RS4
Pick your vehicle to confirm fit

377.96 377.96 USD 472.45

472.45

(Save 20%)

COLOR 11 colors
Black Blue Charcoal Green LightGreen Orange Purple Red White Yellow Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Compare all tiers →

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.

Order today — ships within 1–3 business days
Enter ZIP for arrival estimate change
Order by 3:00 PM MT today — we'll start tomorrow
See full timeline

Alignment recommended Lifetime warranty on all non-wear items Made In USA

Made in USA Orem, Utah
Lifetime Guarantee Unconditional
10 Colors In-house powder coat
Fully Adjustable 0-6" of lift
3 X-Series Options Only Core 4x4

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.

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.

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!


  • Vehicle Fitment: Jeep Wrangler JK 07-18 – Improves rear suspension performance by enhancing axle stability, correcting pinion angle, and optimizing handling for both on-road comfort and off-road durability.

  • CORE Advantage: Fully adjustable to correct rear axle positioning and pinion angle, reducing driveline vibrations and improving ride quality. Enhances articulation and control for better traction on rugged terrain.

  • Adjustability: Designed for lifts from 0 to 6 inches, providing precise rear axle alignment and pinion angle correction. Ensures smooth operation and reduces wear on drivetrain components for long-term reliability.

  • Construction: Built from heavy-duty steel tubing for maximum strength and impact resistance. Features high-quality tapered polyurethane bushings for vibration dampening, improved responsiveness, and long-lasting suspension performance.

  • Two-Stage Powder Coating: Zinc primer base and top coat available in 10 vibrant colors protect against corrosion and allow for personalized styling of your rig.

  • Warranty and Origin: Proudly manufactured in the United States, our product includes a lifetime warranty on all non-wear items, providing you with confidence and peace of mind in your purchase.

Built With

Rear Lower Control Arms Built With 1.875” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1.25” x 12 TPI - 3.25” long threads.

Rear Upper Control Arms Built With 1.625” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1” x 14 TPI - 3.25” long threads.

Make Model Submodel Years
Jeep Wrangler 2007 - 2018

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

Construction & Materials

Jeep Wrangler JK / JKU 07-18 2pc Cruise Series Rear Lower Adjustable Control Arms

Rear Lower control arms built with 1.875” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1.25” x 12 TPI - 3.25” long threads.

Jeep Wrangler JK / JKU 07-18 2pc Cruise Series Rear Upper Adjustable Control Arms

Rear Upper control arms built with 1.625” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1” x 14 TPI - 3.25” long threads.

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
Placement on Vehicle Rear Upper, Rear Lower, Rear
Mounting Style Bolt-On
Google

Reviews of Core 4x4

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
EL
Eric Labrum May 27, 2025
Google
Best customer service I have ever experienced. They are my go to source do to quality and service
BA
bryan angell Jun 26, 2025
Google
First off amazing products. I got a set of adjustable control arms for my XJ and it is so nice to be able to dial in caster and pinion angles. A quick call and I was able to purchase an adjustable track.
Review photo 1
TH
Todd Hume Jan 22, 2026
Google
Their products are great but the service is even better!! Thanks Korby.
ST
Sal Torres May 27, 2025
Google
upper control arms look great and went on easy.. only reason I gave 4 stars and not 5 is because of a shipping issue which put my build a week behind. The issue was resolved quickly and painlessly, great customer service. Only time will tell how control arms perform but they look great and like they will go above and beyond control arm demand.
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!
JM
Jay Miller Jul 26, 2025
Google
I purchased a upper and lower set of control arms from core 4x4 they came early then expected and seem to be very nice quality I ran into a complication installing them and emailed them my question I was expecting to get the response maybe the next day because it was after hours I got a response in about a few minutes which allowed me to finish the project that day I super appreciate that, the products are good strong lifetime warranty and their customer service is top notch
SH
Shawn Hooten Apr 27, 2025
Google
Great products, shipped the next day during a big sale event. Core 4x4 gets it right and gets it done! Thank you all.
BS
Bailey Smith Mar 23, 2025
Google
Core 4x4 excels with precision and service and keeps nothing else higher in mind. Everyone I've met at the company is very honest and down to earth, 10/10 would recommend.
OK
oleg k Nov 23, 2025
Google
I recently ordered a set of control arms from Core 4x4, and the entire experience was absolutely top-notch from start to finish. The ordering process was smooth, the parts arrived quickly, and the control arms themselves are extremely high quality—solid construction, great finish, and clearly built to last. I also want to give a special shout-out to Korby, the guy I spoke with during the process. His customer service was amazing. He went above and beyond to make sure I got exactly what I needed, answered all my questions, and made the whole experience stress-free. You don’t see service like that very often these days. If you’re looking for high-quality suspension components backed by truly exceptional customer service, I highly recommend Core 4x4. I’ll definitely be buying from them again.
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.

Specifications

Color Black, Blue, Charcoal, Green, LightGreen, Orange, Purple, Red, White, Yellow, Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Hardware No Hardware, Complete Kit
Vehicle Jeep Wrangler JK / JKU (07–18)
Brand CORE 4X4
Series Cruise Series
Note to Core4x4: -
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