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SKU: CRL-F-BR-2021-RTB1 ★★★★★ (132 reviews)
LIFETIME WARRANTY
FITS YOUR EXACT VEHICLE
🚚
SHIPS IN 1–3 DAYS
🔧
MADE IN UTAH, USA
From

369.03 369.03 USD 388.45

388.45

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🔧 Built to order · Ships in 1–3 business days

COLOR 11 colors — pick yours
https://jerdev.core4x4.com/web/image/product.template/1818/image_1920?unique=443049d
SKU: CRL-F-BR-2021-RTB1
Fits: 2021 - Present Ford Bronco Add vehicle

369.03 369.03 USD 388.45

388.45

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.
  • Lift Size
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • 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.

WHAT’S INCLUDED
4
Upper Control Arms
4
Lower Control Arms
2
Front Track Bars
2
Rear Track Bars
4
End Links

4–8 hr install Moderate 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
Ships in 3 Days From our UT facility
Fully Adjustable 0-6" of lift
3 X-Series Options Only Core 4x4

Why Builders Choose CORE 4X4

Warranty facts, not marketing language.

vs. MetalCloak

Their “lifetime” language refers to their service model. Actual parts warranty: 1 year. Ours: lifetime.

vs. Teraflex

Skip a maintenance interval? Their warranty voids. Ours doesn’t.

vs. Clayton Off Road

Clayton warrants their Johnny Joints for 90 days. We cover ours for life.

Unsurpassed Vehicle Stability

Boost your Ford Bronco's stability with the Crawl Series Rear Track Bar. Specifically designed for model years 2021-Present, this indispensable suspension component keeps your axle centered under all conditions, ensuring exceptional handling and control on sharp corners and uneven terrains.

What's Included?

  • Crawl Series Rear Track Bar (CRL-F-BR-2021-RTB1)

Key Features and Benefits

  • Superior Flexibility and Off-Road Performance – Engineered with premium forged joints at both ends, improving control and articulation for unmatched durability compared to traditional welded joints.
  • Sturdy and Durable Construction – Built from 1.5" OD .313 Wall DOM tubing, eliminating the need for a fixed end and incorporating dual forged joints for superior strength and articulation.
  • Adjustability for a Perfect Fit – Fully adjustable design corrects axle shift after lifting, allowing fine-tuning for lifts from 0 to 6 inches. Custom solutions available for lifts beyond 6 inches.
  • Dual-Stage Powder Coating for Extended Durability – Zinc primer base coat provides rust resistance, while the durable top coat, available in 10 vibrant colors, enhances protection and personalization.

Engineered for Maximum Performance

The Crawl Series Rear Track Bar is designed for extreme off-road conditions, ensuring precise axle alignment while providing maximum articulation. Left and right-hand threading allow for easy on-vehicle adjustments, ensuring optimal fitment and handling in any terrain.

Two-Stage Powder Coating for Maximum Durability

To ensure long-lasting protection against rust and corrosion, each track bar undergoes a dual-stage powder coating process.

Zinc Primer Base Coat – Prevents rust and adds an extra layer of protection.

Durable Top Coat – Available in 10 colors, allowing you to customize your vehicle's suspension.

Made in the USA

Proudly manufactured in Orem, UT, the Crawl Series Rear Track Bar embodies the highest standards of American craftsmanship. By choosing this product, you're supporting local manufacturing and benefitting from the precision and quality control that CORE 4X4 guarantees.

In Conclusion

The Crawl Series Rear Track Bar is an essential upgrade for Ford Bronco owners seeking enhanced axle stability, improved handling, and superior off-road performance. With its robust construction, full adjustability, and premium materials, this track bar ensures a smoother and more controlled ride in any driving condition. Upgrade today and experience the difference in control, durability, and American-made quality!


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
Lift Size 0" — 6" or 6"+
Hardware No Hardware or Complete Kit

Select your lift size in Step 1 — the kit ships with the correct geometry for that height. If you’re running a non-standard setup, call us before ordering and we’ll confirm compatibility.

Death wobble is a geometry problem, not just worn parts. Cruise Series corrects caster angle and eliminates the flex points that let shimmy start. Replacing one part at a time delays the fix — this replaces the geometry.

Yes, if you’ve done a lift kit before. Full-day project. Watch the complete JT install walkthrough on our YouTube channel — most owners wrap it in a day. Any off-road shop can run it if you’d rather have it done.

Any non-wear component fails — we replace it. No mileage cap. No maintenance intervals to track. No fine print about voiding if you miss a service. Lifetime means lifetime.

Teraflex’s lifetime warranty voids if you miss a maintenance interval. MetalCloak’s actual parts warranty is 12 months — their “lifetime” language refers to their service program. No conditions here.

See It Installed

Install videos and build guides on our YouTube channel.

Watch more installs on YouTube
Google

Reviews from Google

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
MH
Matthew Handy Sep 24, 2025
Google
Ran into an issue with a part that I ordered. Got ahold of them explained to them the issue I was having and they jumped in and got the issue fixed. Hands down the best customer service I have ever dealt with. The parts are hands down amazing. Highly recommend.
JM
Jason Mitchell Dec 8, 2025
Google
Installed the full kit on my XJ. Ride quality is night and day better than what I had before. The articulation on the trail is insane. These guys know what they are doing. Already recommended Core 4x4 to everyone in my club.
GK
GLENN KOSZKA Apr 27, 2025
Google
The folks at Core 4X4 are always wonderful to deal with. They explain your options and never pressure or rush things. The quality of the Core Control Arms is top shelf, especially if your goal is to stop wheel hop. I recommend Core 4x4 without reservation ! ! !
JO
Jaime Overmyer Nov 23, 2025
Google
Korby was extremely helpful in helping me find the right part for my truck. He was kind, knowledgeable, and patient while I asked a million questions. He also went out of his way to find the right shipping option for me since it’s tricky where I live. I’m looking forward to getting the parts so I can fix my truck and go adventuring again soon!
EA
Eric Ahonen Mar 24, 2021
Google
Awesome control arms! My mechanic said “ your Jeep is pretty much bulletproof now.” And I just got the tier 1 arms! The people at the core 4x4 shop were really nice too. They were running behind on shipping, (which is understandable) so I decided to go pick it up because it was only an hour drive. They gave me a free $60 hardware kit for the inconvenience. Thanks core 4x4! You guys are awesome!!
S
Sebastian Oct 24, 2025
Google
Great products they sell, got a crawl series long arm kit for my xj and it has held up quite nice, they are beefy, and for what ever reason they fail it has a great warranty with a customer service to match, when someone asks what control arm kit to buy I always recommend core 4x4
D
Danny Oct 24, 2025
Google
Outstanding customer service to match the high quality parts. This is the go-to company.
MR
Melanee Raynes Mar 25, 2019
Google
Awesome product and service! I even got some of their swag because it looked pretty darn good. I will definitely be going back and would suggest this business to others looking for quality control arms. Buy local!
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.
TM
Tony Moller Aug 25, 2025
Google
Awesome parts! Support the older Jeeps! Great customer service.

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.
Lift Size 0" — 6", 6"+
Hardware No Hardware, Complete Kit
Vehicle Ford Bronco (21–Present)
Brand CORE 4X4
Series Crawl Series
Note to Core4x4: -
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