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
Bracket Hardware Kit Includes:
4 high grade ½” x 7” bolts, 8 ½” small washers, 2 ½” nuts, 2 high grade 9/16” x 7” bolts, 2 high grade 9/16” x 4.5” bolts, 8 9/16” washers, 4 9/16” nuts, 4 high grade ⅝” x 4.5” bolts, 4 ⅝” big washers, 4 ⅝” small washers, 4 ⅝” nuts
2003-2009 Control Arm Hardware (Axle-Side Only):
2 high grade 9/16” x 4” bolts, 4 9/16” washers, 2 9/16” nuts, 2 high grade ⅝” x 4.5” bolts, 4 ⅝” washers, 4 ⅝” cam bolt delete washers, 2 ⅝” nuts
2010+ Control Arm Hardware (Axle-Side Only):
2 high grade 9/16” x 4” bolts, 4 9/16” washers, 2 9/16” nuts, 2 high grade 18mm bolts, 4 18mm washers, 4 18mm cam bolt delete washers, 2 18mm nuts
Reviews of Core 4x4
5.0
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132 reviews
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Don
Jul 26, 2025
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Great shop, great parts and great service. You want to buy off this company and company’s like this!!!! Wish we had more companies as good as this one!! Thank you
MH
mark hinz
Mar 2, 2026
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Went above and beyond to get the parts we needed to complete our customers build for Moab Easter safari cant thank you enough for all your hard work and efforts
Thank you and look forward to working with you in the near future
A
Adam
Oct 24, 2025
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I couldn't have been more excited for the initial unboxing of these new Core 4x4 UCA's!
They appear to be so well built and just a true quality product.
Installation was a breeze and the initial testing with the forklift appears to have given me some additional flex with less binding on the rest of the components now that the geometry is back properly aligned.
Time will tell how they hold up on my near future off-road adventures but I don't have any doubt that they are up to the task!
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Zion
Sep 24, 2025
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Every product I have received from them has been nothing short of fantastic. Korby in Customer service went above and beyond to help me fix my own mistake. I cannot reccomend them enough.
MT
Mike T
Nov 23, 2025
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Korby and the rest of the team at Core 4x4 know there stuff and answered my question in a timely manner. They even were able to quick ship a re-build kit for me so I could get my truck back on the road- Thanks!
DW
Derek Whitfield
Nov 20, 2025
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Solid product, the lifetime warranty sealed the deal for me. Installed on my TJ and the ride quality improved noticeably. Shipping took a bit longer than expected but the parts were worth the wait.
DW
Darin Wuebbels
May 27, 2025
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Thanks for the fabulous customer service. Your products and customer service are first class. I highly recommend these guys. Excellent experience.
CT
Canon TeSelle
Jun 26, 2025
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Great Experience. I wanted to make changes to my order and Korby was more than willing to work with me to get everything corrected. Hope to deal with these guys again in the future.
TH
Todd Hume
Jan 22, 2026
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Their products are great but the service is even better!! Thanks Korby.
BC
Brad C
Mar 24, 2021
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Outstanding experience! I asked Core to build me a set of custom control arms that were larger/heavier than they normally build. They gladly accepted the challenge and turned out an expertly crafted and super strong product ahead of schedule. Fit and finish are excellent. Spence and Cameron were a pleasure to work with every step of the way. And all of this for a very reasonable price. I highly recommend these guys!
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