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428.36 428.36 USD 503.95

503.95

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Ford Bronco 21+ 2pc Crawl Series Rear Upper Adjustable Control Arms

SKU: CRL-F-BR-2021-RU2
Fits: 2021 - Present Ford Bronco Add vehicle

428.36 428.36 USD 503.95

503.95

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.
  • Series
    Cruise: daily driving and light off-road. Camp: overlanding. Crawl: aggressive rock crawling.
  • Hardware
    Choose upgraded hardware if your factory hardware is worn, damaged, or missing.
  • Lift Size
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • 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

Superior Off-Road Performance

Elevate your off-road experience with the Crawl Series Rear Upper Control Arms. Specifically crafted for Ford Bronco model years 2021-Present, these control arms are engineered for superior flexibility and precise on-road performance, making your vehicle ready for any adventure.

What’s Included in the Kit?

  • Crawl Series Rear Upper Control Arms (SKU: CRL-F-BR-2021-RU2)

Precision Engineered for Maximum Durability

Crafted from durable 5/16” wall DOM Tubing, the Crawl Series Rear Upper Control Arms are designed to exceed industry standards. Each arm is equipped with original Johnny Joints from Rock Jock 4x4 at both ends, providing unmatched articulation and resilience even in the most challenging off-road environments.

Ultimate Adjustability for Complete Control

Experience easy and precise suspension adjustments with left and right-hand threaded design. These control arms allow on-vehicle adjustments to fine-tune pinion angles and rear axle centering. They are compatible with lifts from 0 to 6 inches and work seamlessly with our adjustable lower control arms to optimize alignment and suspension performance. For vehicles with lifts exceeding 6 inches, custom solutions are available upon request.

Two-Stage Powder Coating for Superior Protection

To ensure long-lasting durability and corrosion resistance, these control arms undergo a rigorous two-stage powder coating process. Zinc primer base coat provides advanced protection against rust and environmental elements. Durable top coat is available in 10 custom color options to add a personalized finish that matches your vehicle’s style.

Proudly Crafted in America

Manufactured in Orem, UT, the Crawl Series Rear Upper Control Arms embody the highest standards of American craftsmanship. Our in-house production ensures meticulous quality control and supports local industries, delivering a product you can trust.

Optional Hardware Upgrade

Designed for straightforward installation with factory hardware, our Rear Upper Control Arms make upgrades simple. For rusted or stubborn bolts, optional Grade 8 hardware kits are available separately to facilitate a hassle-free setup.

In Conclusion

The Crawl Series Rear Upper Control Arms provide superior strength, adjustability, and off-road articulation for Ford Bronco owners looking to maximize performance. Whether you're conquering rugged trails or refining your vehicle’s suspension for smooth highway driving, these control arms ensure the perfect balance of durability and flexibility. Upgrade today and experience the next level of off-road control!


Optional Hardware Upgrade

Designed for straightforward installation with factory hardware, our Rear Upper Control Arms make upgrades simple. For rusted or stubborn bolts, optional Grade 8 hardware kits are available separately to facilitate a hassle-free setup.

In Conclusion

The Crawl Series Rear Upper Control Arms provide superior strength, adjustability, and off-road articulation for Ford Bronco owners looking to maximize performance. Whether you're conquering rugged trails or refining your vehicle’s suspension for smooth highway driving, these control arms ensure the perfect balance of durability and flexibility. Upgrade today and experience the next level of off-road control!


Make Model Submodel Years
Ford Bronco 2021 - Present

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

Vehicle Ford Bronco (21–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.
Series Crawl Series
Hardware No Hardware or Complete Kit
Lift Size 0" — 6" or 6"+

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.
KK
Kevin Kinard Oct 24, 2025
Google
Great product, excellent customer service. I mistakingly ordered a track bar for the wrong year model and Korby helped me out by sending me the correct part that I needed no questions asked. I highly recommend.
MP
matthew patterson May 27, 2025
Google
Ive used core products for my last two jeeps and now my ram. They’re parts are the absolute best quality youll find ANYWHERE. Top quality products and A+ custom service keeps the as my go Roger for any suspension needs.
BC
Brad C Mar 24, 2021
Google
Outstanding experience! I asked Core to build me a set of custom control arms that were larger/heavier than they normally build. They gladly accepted the challenge and turned out an expertly crafted and super strong product ahead of schedule. Fit and finish are excellent. Spence and Cameron were a pleasure to work with every step of the way. And all of this for a very reasonable price. I highly recommend these guys!
DN
Devan Nelson Mar 25, 2019
Google
Had a great experience with Core 4x4, I desperately needed a custom track bar and found out just a couple days before Easter Jeep Safari. Spence was a huge help and made it happen with plenty of time to spare. Their parts are top notch!
AS
Anthony Snyder Jun 26, 2025
Google
Great experience and really great parts
N
Nick Sep 24, 2025
Google
I have a 2016 RAM 1500 Crew Cab and I replaced the rear upper and lower control arms also the pan hard track bar and also the sway bar and links for the rear with all I had the articulating bushings. The vehicle now has no body role. They are absolutely incredible if you get the control arms you gotta get the CORE 4 x 4sway bar end links don’t don’t try and be cheap and get Moog or something else you got to get articulating bushings get the core 4 x 4 ones they are the best. My truck drives now through the canyons like a BMW. I have Fox high-performance shocks on there as well with all the CORE 4 x 4 suspension parts and they are amazing. Well worth the money I would highly recommend anybody thinking about CORE 4 x 4 go with CORE 4X4 and if you can go with their articulating bushings, they’re unbelievable drives better now than my Escalades. Well planted no body role and smooth on the Highway unbelievable the difference they all made!! THANKS AGAIN CORE 4x4!!!!
MV
Mr. V Mar 24, 2021
Google
Good quality parts, much stronger than stock
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