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1,212.70 1212.7 USD 1,212.70

1,212.70

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Ford Bronco 21+ 4pc Rear Adjustable Control Arms Kit

SKU: F-BR-2021-AL-RS4
Fits: 2021 - Present Ford Bronco Add vehicle

1,212.70 1212.7 USD 1,212.70

1,212.70

Starting at $110/mo or 0% APR with . See if you qualify

  • 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.
  • Note to Core4x4:

Select Color to see price and add to cart.

Lifetime warranty on all non-wear items Made In USA

1–3 day build time + Shipping

Unmatched Flexibility Durability

Upgrade your Ford Bronco (2021-Present) with the Aluminum Series Rear Control Arms Set, engineered for maximum off-road articulation, improved axle alignment, and long-term durability. This complete rear suspension upgrade enhances both on-road comfort and off-road capability, offering a significant improvement over factory components.

What’s Included

  • Aluminum Series Rear Upper Control Arms (AL-F-BR-2021-RU2)
  • Aluminum Series Rear Lower Control Arms (AL-F-BR-2021-RL2)

Key Features Benefits

  • Precision-Engineered 7075 Aluminum – Constructed from 1.75” OD 7075 Aluminum, these control arms deliver exceptional strength while remaining lightweight, significantly outperforming stock components.
  • Extreme Off-Road Articulation – Johnny Joints at both ends allow for maximum suspension travel, improving off-road traction, axle control, and shock absorption.
  • Fully Adjustable for Lifted Vehicles – Designed to accommodate lifts from 0 to 6 inches, these control arms enable precise axle centering and pinion angle adjustments, optimizing suspension geometry for better handling and durability.
  • Machined Wrench Flats for Easy Adjustments – The left- and right-hand threaded bodies make fine-tuning your suspension simple, allowing for on-the-vehicle adjustments without removal.

Superior Lightweight Construction with 'Memory'

Crafted from high-strength 7075 Aluminum, these control arms provide a durable yet lightweight alternative to steel. Unlike traditional materials, 7075 Aluminum has a "memory" effect, meaning it can return to its original shape after taking an impact, ensuring long-lasting structural integrity.

Customizable Powder Coating

Showcase your Bronco’s unique style with our customizable powder coating options. Choose the raw aluminum finish for a sleek, high-performance look, or select from ten vibrant colors to match your build.

Proudly Made in the USA

Our Aluminum Series Rear Control Arms Set is proudly designed and manufactured in the USA, ensuring strict quality control, superior craftsmanship, and premium materials. Choosing CORE 4X4 means supporting American innovation and excellence.

Optional Hardware Upgrade

Designed for seamless installation using factory hardware, these control arms provide a straightforward upgrade. If you're dealing with rusted or stubborn bolts, we offer optional Grade 8 hardware kits separately for a hassle-free installation.

In Conclusion

The Aluminum Series Rear Control Arms Set offers a total suspension upgrade for your Ford Bronco, combining lightweight durability, extreme articulation, and precise adjustability. Whether you're navigating rugged trails or cruising on the highway, this kit ensures superior handling, increased stability, and long-term reliability. Upgrade today and experience next-level off-road performance!


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 Raw Aluminum 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

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.
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
GV
Gil Valk Sep 24, 2025
Google
Excellent service, Prompt responses when needing technical assistance, Amazing looking parts that fit excellently. I would recommend them to anyone looking for suspension components. Also very well packaged when we received the shipment, which means no damage from shipping company!! We went with the Crawl Series double adjustable kit and it definitely looks killer on our build!!!
RD
Reagan D'mello Dec 23, 2025
Google
Love the product. Excellent customer support 👍🏽 …
JF
jacob fezza Mar 24, 2022
Google
I wanted to take a moment and give these guys a shout out, I’ve currently got, for my xj, their adjustable control arms, tier 4 adjustable track bar and adjustable leaf spring shackles. You can always count on a fair price, high quality products, and quick delivery. Keep up the great work guys, will definitely continue to shop with you
D
David Nov 23, 2025
Google
First of I just want to say Great customer service korby Has helped me from the start and has not let me down! Reached out to him again today and he was able to warranty some parts out for me. As far as the quality of the parts.. excellent! The build quality is great. I can definitely tell a Difference from the cheap oem rear control arms to these and the pan hard bar. Color, From what I can tell it’s super durable been through a few mud holes on top of the daily road grime and after a quick wipe they still pop! Overall I recommend. Customer service is everything for me and it’s definitely there at Core 4x4.
OA
Owen Adams Sep 24, 2025
Google
These guys are awesome I messed up my address on my order somehow and they were so so helpful Korby was right there every step to a solution very communicative and respectful I will definitely be ordering parts with them in the future!
TG
Travis Grimm Mar 23, 2024
Google
To start off if you're looking to upgrade your control arms definitely hit this company up. Great product, easy install of the product, with three different tiers everything is priced pretty good, I'm a sticker guy and they sent a sticker for each arm each track bar and also three extra ones so the extra are on the Jeep the advertise them for sure. If you're reading this review I highly recommend you to check their website out.
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