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- Shop by Vehicle
JEEP
DODGE
TOYOTA
FORD
- Parts & Accessories
Replacement Parts
Tools
Swag
- About Us
- FAQ
- Lifetime Warranty
$479.95
$455.95
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Enhance your off-road experience with our Crawl Series Rear Upper Control Arms. Specifically designed to be compatible with Ford Bronco model years 2021-Present, these control arms are meticulously engineered to provide exceptional flexibility, and superior on-road manners, making your off-road adventures remarkably more exciting and comfortable.
The Crawl Series Rear Upper Control Arms are crafted with meticulous attention to detail. Made from DOM Tubing with a .313” wall thickness, these arms surpass industry standards, ensuring exceptional durability and performance. They feature the original Johnny Joints from Rock Jock 4×4 at both ends, delivering consistent, high-quality performance, even under the most challenging conditions.
Experience the advantage of ultimate adjustability. Our Rear Upper Control Arms are threaded both left and right handed, enabling easy adjustment of your pinion angle while installed and can accommodate lifts from 0 to 6 inches. These arms, when used in conjunction with our adjustable lower control arms, allow for the precise re-centering of your rear axle and exact adjustment of the pinion angle. They enhance ride quality, promoting precise alignment correction for a smoother, more controlled ride. For vehicles with lifts beyond 6 inches, please contact us for additional options and assistance.
All of our control arms undergo a rigorous two-stage powder coating process to maximize durability and resist corrosion. We begin with a zinc primer base to ensure maximum adherence, followed by a robust top coat in your choice of color. This process ensures a resilient and aesthetically pleasing finish, enhancing the durability and longevity of your control arms.
Our Crawl Series is a testament to superior American craftsmanship. We take pride in manufacturing our products domestically, offering you the benefits of our high-quality manufacturing standards, rigorous quality control, and dedicated customer service. By choosing our products, you are supporting American industry and the value of locally made products.
Our Rear Upper Control Arms can be conveniently installed using factory hardware. For those dealing with rusted or stubborn bolts, we offer optional new Grade 8 hardware kits, available separately, to ensure a smooth installation process.
Choosing the Crawl Series Rear Upper Control Arms means you’re opting for the ultimate in off-road flexibility and on-road manners. Upgrade today and enjoy the benefits of precision alignment, superior performance, and outstanding durability, thanks to the innovative design and high-quality construction of our control arms.
| Series | Crawl |
|---|---|
| Color Options | Charcoal, Orange, Yellow, Blue, Green, Light Green, Red, Purple, Black, White |
| Built With | 1.75" OD 5/16" Wall DOM tubing |
| Grease Fittings | Included |
| Lift Range | 0" — 6", 6"+ |
| Fixed End | |
| Thread Size | 1.25" x 12 TPI |
| Thread Length | 3.25" |
| Make | Model | Year |
|---|---|---|
| Ford | Bronco | 2021 |
| Ford | Bronco | 2022 |
| Ford | Bronco | 2023 |
Our product lines are designed to offer the absolute most value for your budget. Not every build is the same and we understand that. Our series differ mostly in the components used in the construction of the parts. Our Cruise and Town Series utilizes our high grade flex poly bushings at both ends of the arm, this has proven to be a smooth riding easy to maintain and replace bushing that we absolutely love. Our Camp and Trail Series utilizes 5/16″ wall DOM tubing and incorporates a flexible Johnny Joint at the adjusting end, this series has been our most popular series for all around use, great for daily drivers that want to tear up the trails as well. Our Crawl, Tow, and Track Series utilizes the same 5/16″ wall DOM tubing, but features Johnny Joints at both ends. This series gives you the absolute most out of your suspension. This is great for heavy towing/hauling and extreme off-roading. Also, if the component is straight in these series we will machine these left and right hand threaded for easy adjustment on the vehicle!
We are constantly expanding our product lines to include complete kits, if you don’t see something on the site for your vehicle, reach out to our sales team and we can put something together for you.
Our two main sizes of jam nuts require an1-1/2″ wrench or an 1-5/8″ wrench. Generally speaking the 1-5/8″ jam nuts are used on our lower control arms and the 1-1/2″ jam nuts on our upper control arms and track bars. There are some exceptions, but we do offer a crow’s foot that has both sizes.
Any non-synthetic moly based grease is safe on our products, avoid lithium greases and anything red as this can prematurely deteriorate the internal components of the Johnny Joints and bushings used on our parts.
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Core4x4 has an unwavering dedication to crafting top-tier control arms and aftermarket parts that can conquer any trail or obstacle, while still maintaining exceptional on-road performance.
As the founder of Core 4×4, I stand behind our unwavering commitment to delivering top-tier, American-made products that don’t break the bank. We take immense pride in our craftsmanship, sourcing materials domestically to ensure the highest quality possible. Our team goes the extra mile to rigorously test and refine every product, ensuring it not only meets but exceeds industry standards. When you choose us, you’re choosing durability, reliability, and affordability. That’s not just a business model— it’s a promise, from our family to yours.
Sincerely,
Spence Schramm
Founder, Core 4×4
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