Made in USA
Orem, Utah
Lifetime Guarantee
Unconditional
10 Colors
In-house powder coat
Fully Adjustable
0-6" of lift
3 X-Series Options
Only Core 4x4
RockJock’s Sway Bar End Link Mounting Kit for 2021-up Bronco installs into the hole on the Bronco front lower control arm that the factory sway bar end link is removed from. This kit includes the billet steel end link mounts, the RH/LH specific rotational locks and the new nuts to tighten them up with! The bores in the side of the mounts allow our end link rod ends to bolt up with the rod end nut installed into the bore on the side of the mount. Fabricated from 1 1/4 in. steel bar stock, the mounts include various machined features including bores in the sides of the mounts allow our end link rod ends to bolt up with the rod end nut installed into the bore on the side of the mount, a wrench flat that accepts a 7/8 in. wrench, a double-D shaped machined hub that the RH and LH rotational locks fit onto and 9/16 in.-18 RH threads on the bottom. Rotational locks are laser cut and formed 1/8 in. steel and the locking flange nuts feature 9/16 in.-18 threads. Finish on all components is clear zinc plating.
| Brand | RockJock |
Reviews of Core 4x4
5.0
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132 reviews
BS
Bailey Smith
Mar 23, 2025
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Core 4x4 excels with precision and service and keeps nothing else higher in mind. Everyone I've met at the company is very honest and down to earth, 10/10 would recommend.
EC
Eric Cox
Jul 26, 2025
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Prompt, professional, and courteous service! Quality parts and broad assortment of products to suite your 4x4 needs:)
RR
Ryan Rogers
Aug 25, 2025
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I purchased a set of the Cruiser Series control arms for my Jeep Jk based on postive reviews from different Jeep Facebook pages. Ordered and 2 days later realized they had the very same exact arms on sale in the overstock section. Called them up and they refunded me the savings from my original purchase. Amazing, honest service. Can't wait to get them installed. Keep up the good work guys.
CM
Craig MacIver
May 27, 2025
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Got the CAMP version of adjustable control arms and track bars for our 03 TJ with a 3” lift and 33x10.5 KO 2’s.
Super beefy bars, great fit and adjustability.
Friendly advice and support from Korby at CORE 4X4. Good follow up as well.
The ride quality is great as well as the handling. I think it all looks pretty good as well.
CM
Cameron Masters
Mar 24, 2023
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Absolutely incredible family owned business. I asked to pick up my order since I’m local and they came in on a weekend to accommodate. Had to make some adjustments to parts and took the time to make sure it was perfect. Parts are incredible quality. If you have a Jeep, do not hesitate to support this local business.
ST
Sal Torres
May 27, 2025
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upper control arms look great and went on easy.. only reason I gave 4 stars and not 5 is because of a shipping issue which put my build a week behind. The issue was resolved quickly and painlessly, great customer service. Only time will tell how control arms perform but they look great and like they will go above and beyond control arm demand.
RT
Ruby Timm
Apr 27, 2025
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Bought a new 2019 Ram 1500. Had bad rear wheel hop since new, got all four core 4x4 control arms and it fixed the issue. Thanks
TH
Todd Hume
Jan 22, 2026
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Their products are great but the service is even better!! Thanks Korby.
MM
MIKE (Mike the Mechanic)
Jul 26, 2025
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Amazing company and customer service!!!! I messed up on my order and the fixed it immediately. Would definitely recommend them. Can't wait to hit the trails with their product.
EL
Eric Labrum
May 27, 2025
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Best customer service I have ever experienced. They are my go to source do to quality and service
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Specifications
| Brand | RockJock |
