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201.56 201.56 USD 251.95

251.95

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Jeep Gladiator JT 20+ 2pc Cruise Series Rear Upper Adjustable Control Arms

SKU: CRS-J-JT-RU2
Fits: 2020 - Present Jeep Gladiator JT Add vehicle

201.56 201.56 USD 251.95

251.95

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.
  • 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

Performance and Control

Enhance your Jeep Gladiator JT’s performance on and off the road with our Cruise Series Rear Upper Control Arms. Designed for 2020-Present models, these control arms provide superior strength, precise adjustability, and durability over factory components, making them a critical upgrade for lifted vehicles.

What’s Included in the Kit?

  • Cruise Series Rear Upper Control Arms (CRS-J-JT-RU2)

Key Features and Benefits

  • Pinion Angle Correction – Adjustable design eliminates driveline vibrations by properly aligning the rear pinion angle.
  • Axle Re-centering – Works in conjunction with rear lower control arms to maintain optimal axle position.
  • Heavy-Duty Steel Construction – Built to withstand extreme off-road conditions while improving handling.
  • Tapered Polyurethane Bushings – Enhances ride quality by reducing vibrations and providing superior responsiveness.
  • Recommended Pairing – For a complete rear-end alignment solution, pair with our Cruise Series Rear Lower Control Arms (CRS-J-JT-RL2).

Precision Pinion Angle Alignment

One of the most overlooked but critical factors in suspension geometry is pinion angle alignment. When lifting a Jeep Gladiator, the pinion angle often becomes misaligned, leading to driveline vibrations, premature wear, and reduced drivetrain efficiency. Our adjustable Rear Upper Control Arms allow you to precisely correct the pinion angle, ensuring smooth operation and extending the life of drivetrain components.

When combined with our Cruise Series Rear Lower Control Arms (CRS-J-JT-RL2), this setup gives you full control over axle alignment and pinion correction, minimizing suspension stress and improving overall handling.

Two-Stage Powder Coating

Our control arms undergo a two-stage powder coating process for maximum durability and corrosion resistance. Zinc primer base coat – Provides superior rust protection. Durable top coat – Available in 10 color options, letting you customize your control arms to match your build.

Made in the USA

Proudly manufactured in Orem, UT, our Cruise Series Rear Upper Control Arms are built using locally sourced materials and strict quality control standards to ensure unmatched durability and performance.

Optional Hardware Upgrade

These control arms can be installed using factory hardware. However, if you're dealing with rusted or seized bolts, we offer Grade 8 hardware kits separately to streamline installation and ensure a secure fit.

In Conclusion

Upgrading to our Cruise Series Rear Upper Control Arms ensures precise pinion angle correction, eliminates driveline vibrations, and improves rear axle alignment. For the best results, pair them with our Cruise Series Rear Lower Control Arms (CRS-J-JT-RL2) to achieve full control over rear suspension geometry.

Enhance your Jeep Gladiator JT’s handling, durability, and ride quality today with high-performance, American-made engineering.


Make Model Submodel Years
Jeep Gladiator 2020 - Present

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

Vehicle Jeep Gladiator JT (20–Present)
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.
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.
JA
Jonathan Aguilera Jan 22, 2026
Google
Great experience with Core 4x4! I purchased some suspension parts for my dad's 98 Jeep TJ. The products they make are super durable and look even better in person. Attention to detail and overall superior quality. The staff at Core 4x4 is super helpful also, Korby has been great. Updating me on the status of my order and sending me tracking numbers as well. Thank you all at Core 4x4, keep up the amazing work!
JJ
Jason Jukich Jul 26, 2025
Google
Fast shipping, excellent communication, and awesome products
RG
Robert Van Gorder Apr 27, 2025
Google
Amazing service. Bought a track bar through Americantrucks.com and they sent it with the wrong size bushing sleeve. Korby at Core 4x4 was quick to get me the correct size and very responsive. Will definitely be using more of their stuff.
FS
Fernando Salazar Aug 25, 2025
Google
Great quality control arms and great customer service. Korby has been a great help at answering my questions on some issues I’ve been having with installation!
D
Don Jul 26, 2025
Google
Great shop, great parts and great service. You want to buy off this company and company’s like this!!!! Wish we had more companies as good as this one!! Thank you
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.
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