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- Shop by Vehicle
JEEP
DODGE
TOYOTA
FORD
- Parts & Accessories
Replacement Parts
Tools
Swag
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- FAQ
- Lifetime Warranty
$414.95
$394.20
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Enhance your off-road experience with our Crawl Series Rear Upper Control Arms. Specifically designed to be compatible with Jeep Wrangler TJ/LJ model years 1997-2006, these control arms provide unrivaled flexibility and superior on-road manners, presenting a clear advantage over competitor aftermarket offerings.
The Crawl Series Rear Upper Control Arms are crafted with 1.5″ OD DOM Tubing and a .313” wall thickness, surpassing our competitors in terms of durability and performance. They feature the original Johnny Joints from Rock Jock 4×4 at both ends, ensuring the highest quality performance.
Experience the advantage of adjustability. Our Rear Upper Control Arms have a left and right hand threaded designed for easy adjustment of your pinion angle while installed and can accommodate lifts from 0 to 6 inches. This allows for precise alignment correction, help re-center your rear axle, and enhance ride quality. For vehicles with lifts beyond 6 inches, please contact us for additional options and assistance.
All of our control arms undergo a two-stage powder coating process for maximum durability and corrosion resistance. We start with a zinc primer base followed by a durable top coat in your choice of color, offering a resilient and customized finish.
Our Crawl Series represents American craftsmanship at its finest. By choosing our products, you are supporting American-made products and benefiting from our high-quality manufacturing standards.
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 ultimate off-road flexibility and on-road manners. Upgrade today and enjoy the benefits of precise alignment and superior performance, 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 | 1.5" OD 5/16" Wall DOM tubing |
| Grease Fittings | Included |
| Lift Range | 0" — 6", 6"+ |
| Fixed End | Welded Rock Jock Johnny Joint |
| Thread Size | 1" x 14 TPI |
| Thread Length | 2.5" |
| Make | Model | Year |
|---|---|---|
| Jeep | Wrangler TJ | 1997 |
| Jeep | Wrangler TJ | 1998 |
| Jeep | Wrangler TJ | 1999 |
| Jeep | Wrangler TJ | 2000 |
| Jeep | Wrangler TJ | 2001 |
| Jeep | Wrangler TJ | 2002 |
| Jeep | Wrangler TJ | 2003 |
| Jeep | Wrangler TJ | 2004 |
| Jeep | Wrangler TJ | 2005 |
| Jeep | Wrangler TJ | 2006 |
| Jeep | Wrangler LJ | 1997 |
| Jeep | Wrangler LJ | 1998 |
| Jeep | Wrangler LJ | 1999 |
| Jeep | Wrangler LJ | 2000 |
| Jeep | Wrangler LJ | 2001 |
| Jeep | Wrangler LJ | 2002 |
| Jeep | Wrangler LJ | 2003 |
| Jeep | Wrangler LJ | 2004 |
| Jeep | Wrangler LJ | 2005 |
| Jeep | Wrangler LJ | 2006 |
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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