Our adjustable rear upper a-arm will help improve the overall performance of your Jeep WJ. It adds much needed adjustability to the rear end of your lifted Jeep while also increasing the articulation and reliability that you’ve come to expect out of our parts. Minimum of 2” lift recommended and will work on up to 8” of lift.
- Add adjustability to the rear end of the WJ.
- Allows you to perfectly set pinion angle.
- Uses RockJock Johnny Joint that provides more flexibility than the factory ball joint and is greaseable and rebuildable.
- Included axle mount with multiple height settings to perfectly fit your Jeep.
- Incredibly strong 1.25” threads.
LIFETIMEGUARANTEE - MADE IN USA
- GLADIATOR JT 2020-Present
- WRANGLER JL 2018-Present
- WRANGLER JK 2007-Present
- WRANGLER TJ/LJ 1997-2006
- CHEROKEE XJ/MJ 1986-2001
- GRAND CHEROKEE WK 2005-2010
- GRAND CHEROKEE WJ 1999-2004
- GRAND CHEROKEE ZJ 1993-1998
- FJ CRUISER 2007-2014
- 4RUNNER 2003-Present
- DODGE RAM 1500 1994-1999
- DODGE RAM 1500 2000-2008
- DODGE RAM 1500 2009-Present
- DODGE RAM 2500 1994-1999
- DODGE RAM 2500 2000-2009
- DODGE RAM 2500 2010-Present
- DODGE RAM 3500 1994-1999
- DODGE RAM 3500 2000-2009
- DODGE RAM 3500 2010-Present
- DODGE RAM 4500 2008-Present
- DODGE RAM 5500 2008-Present
- FORD BRONCO 2021-Present
QUALITY CORE 4x4 CONTROL ARMS - BUILT RIGHT HERE IN THE USARear Upper Adjustable A-Arm Compatible with Jeep Grand Cherokee WJ (CRS-J-WJ-AA1)Unmatched Performance and Adjustability
Enhance the performance and adjustability of your vehicle’s rear axle with our Adjustable Rear Upper A-Arm, designed to be compatible with Jeep Grand Cherokee WJ model years 1999-2004. Specifically crafted for vehicles with a lift range of 2 to 8 inches, this high-grade component boosts articulation, reliability, and control, delivering an unrivaled driving experience on any terrain.
Key Features & Exceptional Build
Experience the perfect blend of enhanced adjustability, robust construction, and superior flexibility with our Rear Upper Adjustable A-Arm. Designed speficially to be compatible with Jeep Grand Cherokee WJ models, it stands as a testament to our commitment to quality, performance, and durability.
- Precise Adjustability: Facilitates precise pinion angle adjustments for optimal driveline alignment, reduced vibration, and improved ride quality.
- High-Grade Construction: Crafted with robust 1.25-inch threads and sturdy .25-inch wall thick DOM tubing. The included axle mount offers multiple height settings for custom fitment.
- Precision Bracket: The A-Arm comes with a meticulously laser-cut bracket from 1/4-inch steel plate, ensuring precision and strength in your rear axle setup.
- Superior Flexibility: Incorporates RockJock Johnny Joints at all ends for unmatched flexibility and durability compared to factory ball joints. These joints are greaseable and rebuildable, ensuring an extended service life and consistent performance.
- American Craftsmanship: Proudly made in America, supporting local manufacturing and maintaining the highest quality standards.
- Distinctive Finish: Completed with our signature two-stage powder coating process for outstanding corrosion resistance and lasting aesthetic appeal.
Upgrade Your Adventure
Choose our Adjustable Rear Upper A-Arm for a marked improvement in performance, control, and stability. Specially designed for lifted vehicles, this component ensures your vehicle is ready for any on-road journey or off-road adventure. Experience the difference today.
Want a different color? See our store.
$362.95 SHIPPING CORE 4X4's ADJUSTABLE CONTROL ARMS CORE 4X4's THREE SERIES SYSTEM
We take great pride in the design and manufacturing of our products, which are crafted with utmost precision at our facility in Orem, UT. We are committed to delivering top-quality items to our customers, and all packages are shipped directly from our location.
To ensure prompt order fulfillment, we strive to ship each order within 3 business days. For in-stock items, orders typically ship on the next business day. Our preferred shipping carriers are FedEx and USPS, unless alternative arrangements have been specified.
Please note that if you have specific requirements regarding the delivery date, we kindly request you to consult with us prior to placing your order. We will make every effort to accommodate your request, whenever feasible.
It is vital for customers to provide a secure delivery location to prevent any potential theft or damage to their packages. As the recipient, it is your responsibility to ensure the safety of the delivery location. Should you have concerns regarding package security, we recommend requesting additional services such as signature confirmation or insurance at the time of placing your order. This will provide added protection and peace of mind during the shipping process.
We genuinely value customer satisfaction and strive to deliver exceptional service. If for any reason your order does not meet your expectations, we encourage you to contact us directly before leaving response or ratings below five stars. We are committed to resolving any issues and enhancing your overall experience.
While we strive for perfection in every order. If, for any reason, you find that something is not as you expected, we encourage you to reach out to us. Your response is invaluable to us, as it allows us to address any concerns and improve our processes. Please don't hesitate to contact us, and we will be more than happy to rectify any issues to the best of our abilities.
Our primary focus is on manufacturing durable control arms that excel in traversing various terrains and obstacles, while still delivering exceptional performance on the road. We meticulously construct each control arm using high-quality materials sourced from within the United States. In recognition of our unwavering confidence in their durability, all our control arms are backed by our unique "You manage to break it. We replace it" lifetime replacement guarantee.
Thank you for considering our products. We look forward to serving you and exceeding your expectations with our quality products, efficient shipping, and exceptional customer service.
At Core 4x4, control arms are our expertise, and they are the cornerstone of our company. We take great pride in our unwavering commitment to quality and ensuring the complete satisfaction of our customers. Each and every one of our control arms is meticulously built right here in the United States, by our skilled team, exclusively for you. We understand the importance of budgeting for your builds, which is precisely why we offer a range of options with our control arms, allowing you to choose the series that best aligns with your needs and budget. With Core 4x4, you can be confident that you are always receiving the highest quality products for your investment, guaranteed.
WHY ARE ADJUSTABLE CONTROL ARMS ESSENTIAL?
The significance of adjustable control arms cannot be overstated. They provide you with the ability to easily recenter your axle, adjust pinion and caster angles, and ensure that your axle moves freely both on and off the road, without any unnecessary binding. Additionally, opting for new control arms with solid bushings can effectively address issues like death wobble, enhancing the overall performance and safety of your vehicle.
WHY SHOULD YOU CHOOSE CORE 4X4 FOR YOUR CONTROL ARMS?
At Core 4x4, control arms are our expertise, plain and simple. It is the foundation of our company and a source of immense pride for us. We place a strong emphasis on delivering exceptional quality and ensuring the complete satisfaction of our customers. Every single one of our control arms is meticulously crafted right here in the United States, by our dedicated team, with your specific needs in mind. We understand the importance of catering to a variety of budgets, which is precisely why we offer multiple series in our control arm and track bar options. This allows you to select the precise level of performance and features that align with your requirements, while always guaranteeing the best quality for your investment.
When it comes to control arms, Core 4x4 is the name you can trust. We are dedicated to providing top-notch products, exceptional quality, and outstanding customer satisfaction. Experience the difference with Core 4x4 control arms today.
At Core 4x4, control arms are our expertise and the foundation of our company. We are driven by a passion for delivering exceptional quality and ensuring our customers' complete satisfaction. Each of our control arms is meticulously crafted right here in the United States, embodying our dedication to American manufacturing. We understand that every build is unique, and we cater to a variety of budgets. That's why we offer three distinct series of adjustable control arms, designed to provide the best fit for your needs.
CRUISE SERIES:
The Cruise series serves as an excellent starting point for those looking to upgrade from factory control arms. These control arms provide a solid improvement in strength and durability, offering enhanced performance on and off the road. Built with our unique tapered polyurethane bushings at both ends, the Cruise series ensures reliable alignment correction and dependable control. What makes the Cruise series even more appealing is that upgrading to the Camp series is as simple as purchasing the Rock Jock Johnny Joints separately and threading them into the control arms. This seamless transition allows you to easily elevate your control arm setup to the Camp series, unlocking even greater on-road comfort and exceptional off-road flexibility.
CAMP SERIES:
The Camp series is tailored for those seeking the perfect balance between on-road comfort and off-road flexibility. These control arms feature the same tapered polyurethane bushing at the fixed end, providing smooth and comfortable on-road performance. At the adjusting end, we utilize the original Rock Jock Johnny Joints, renowned for their exceptional articulation and durability. With the Camp series, you can confidently navigate various terrains while enjoying a comfortable ride during everyday driving.
CRAWL SERIES:
For off-road enthusiasts who demand maximum flexibility, we offer the Crawl series control arms. These arms are built with Rock Jock Johnny Joints at both ends, delivering unparalleled articulation and durability. Whether conquering challenging trails or crawling over obstacles, the Crawl series control arms provide the utmost flexibility without compromising road manners. Experience exceptional performance and control in the most demanding off-road conditions.
At Core 4x4, we take pride in our control arms and their ability to enhance your vehicle's performance both on and off the road. Choose the series that best suits your needs and drive with confidence, knowing that you have the highest quality control arms in your build. Experience the Core 4x4 difference today.
