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SKU: CE-9100A

$1,850.00

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RockJock’s complete set of 8 Johnny Joint control arms for TJ Wrangler and LJ Unlimited vehicles provides length adjustability on all 8 arms, allowing the pinion angle and caster angle to be adjusted. Addtionally, the rear upper control arms feature double adjustment cababilities allowing length adjustments to the arms to be made with the arms still attached to the vehicle. The adjustable feature of our arms allows your vehicle to be upgraded to different lift amounts without having to replace the control arms in the future. All arms are made from 1 in. x .156 in. wall DOM tubing, are powder coated semi-gloss black, and come with zerk fitted grade 8 mounting bolts. To allow complete unrestricted movement, the Johnny Joint is used at both ends of all 4 of the rear arms, both ends of the front lowers, and on one end of the front upper arms. This is also a great time to replace the stock front differential housing bushings with our CE-9102K Johnny Joint front end housing conversion kit to add Johnny Joints to that point also!

Series
Color OptionsCharcoal, Orange, Yellow, Blue, Green, Light Green, Red, Purple, Black, White
Built With
Grease Fittings
Lift Range
Fixed End
Thread Size
Thread Length
Make Model Year
0

FAQs

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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A promise from the owner

If you manage to break It,
we'll replace it.

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