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
This heavy duty and light weight truss system is designed to take serious abuse and reinforce your front High Pinion 30 XJ axle. The 1/4 inch thick truss top and 10 ga. gusseting incorporates a unique design to strengthen both axle tubes, not just the long tube. The precision cut and formed components of this setup ensure a hassle-free installation. Not only is this just a truss, but you also get a Complete Polyurethane Bushing Replacement For your upper control arms, or you can even upgrade to Currie Johnny Joints.
Features include:
- Sold as Each
- Upper Control Arm Options: Currie Johnny Joints
- 1/4 inch and 10 gauge (.130 inch) mild steel.
- Precision CNC cut and bent for great fitment.
- Truss is low profile to allow clearance above the axle.
- Truss spans length of long side and short side.
- Truss is reinforced using interlocked 10 gauge thick gussets for maximum strength and easy assembly.
- Overall low profile design means your axle is stronger, sleeker, easier to fit into any vehicle, and less likely to interfere with vehicle components.
- This Kit requires general welding and fabrication skills including welding to the cast center section. Welding should only be done by a competent welder.
- Artec Industries implies no guarantees or warranties and is not liable for improper installation.
- Some grinding and fitment may be required when installing this Kit. Every axle varies slightly and some fabrication may be required.
- In rare and extreme cases, the truss may come into contact with oil pan.
- Prior to operating the vehicle, remove the coil springs, cycle the suspension including full compression of both sides simultaneously and add bump stop extensions to prevent damage to oil pan.
Truss ONLY - No bushings/joints/keyed tabs included. Key hole slots on top of truss where keyed tabs would go must be filled with weld. Use this only if you aren't connecting the passenger side UCA or are reusing the factory bracket (see 4th image for details). Daystar Bushings - Includes bushing, inner sleeve, and thrust washer for Driver side and bushing, weldable outer sleeve, inner sleeve, and two keyed tabs for Passenger side. RockJock Johnny Joints - Includes 2.0" Press-in machined Johnny Joint (CE-9112M), 2.0" weldable Johnny Joint (CE-9112), and two keyed tabs for Passenger side. Both joints include greaseable bolts.
| Vehicle | Jeep Wrangler TJ (97–06) or Jeep Cherokee XJ (84–01) or Jeep Comanche MJ (86–92) or Jeep Grand Cherokee ZJ (93–98) |
| Brand | Artec |
| Truss Upgrade | Truss Only-No tabs or bushings/joints or Daystar Bushings or RJ Johnny Joints |
| Placement on Vehicle | Front |
| Mounting Style | Weld-On |
Reviews of Core 4x4
5.0
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★
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132 reviews
MD
Mark DiGrappa
Apr 27, 2025
★
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First off: Korby, the gentleman that helped me decide on which kit to go with is EASILY the nicest, and most patient person I’ve dealt with, when ordering parts for this build. Second: the quality of the product is INSANE! These parts are so nicely fabricated, then powder coated for extra longevity, and they even offer an aluminum upgrade in some cases (which I went with, to save weight). Having said all of this, the most impressive thing was the lead time. These parts are build to order, and I literally ordered my suspension one week ago, today! Yes, they built, powder coated, packaged, shipped my suspension components (RAM 1500 Track rear trailing arm full set in 7075 aluminum, and front upper control arms), AND they arrived, all within a week! Granted, that I’m only one state away, but WOW!!! One week?! Amazing! So, in sort: excellent products, which arrived excellently packaged (no damage, an boxes not over-stuffed with heavy suspension parts; three boxes total, as opposed to one super heavy one…my back thanks you), super quickly, and customer service that ANY business would be envious of….so, if you’re in the market, absolutely go with Core 4X4!
RR
Ryan Rogers
Aug 25, 2025
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★
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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.
RH
Rex Hodges
Jun 26, 2025
★
★
★
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After ordering an upper and lower adjustable control arm kit manufactured by CORE 4X4 from a jeep parts distributor who's intials are E.T., they came with 3 of the threaded ends missing. After over 2 months of phone calls and emails to this E.T. company nothing was resolved. I finally decided to call CORE 4X4 myself and tell them my dilemma. I spoke with a very personable and professional gentleman named Korby, who is one of CORE 4X4's representatives, after a brief discussion of what I went thru he simply asked me for a picture and some measurements and the items I was missing and asked if I could cover ONLY the cost of shipping and I had my missing parts in exactly 1 weeks time. This company not only builds all it's parts in the U.S.A., they stand behind their products with great customer service and life time warranty. My experience with this company and their Rep Korby was fantastic. I would definitely recommend CORE 4X4 to anyone who needs parts for any 4x4 projects. You just can't beat their quality and service.
Rex Hodges
Valparaiso, Indiana
JM
Jay Miller
Jul 26, 2025
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★
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I purchased a upper and lower set of control arms from core 4x4 they came early then expected and seem to be very nice quality I ran into a complication installing them and emailed them my question I was expecting to get the response maybe the next day because it was after hours I got a response in about a few minutes which allowed me to finish the project that day I super appreciate that, the products are good strong lifetime warranty and their customer service is top notch
PB
Peter Busack
May 27, 2025
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★
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Purchased a set of Trailing arms for my Ram 1500, quality is first class. I bought the ones with the Jonny Joints for more articulation and it appears from the construction I should get a lifetime of use, Zerk fittings are an added plus. Would defiantly recommend, and the the service team answered all of my questions.
JS
Jon Stempien
May 27, 2025
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★
★
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Big thanks to Corby at core 4 x 4 outstanding customer service I like to thank them or 4 x 4 for helping me Well-made product in the United States recommend core 4 x 4 for all jeep Owners that like the four wheel
SH
Shawn Hooten
Apr 27, 2025
★
★
★
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Great products, shipped the next day during a big sale event. Core 4x4 gets it right and gets it done! Thank you all.
MB
Melody Baker
Jan 22, 2026
★
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★
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I ordered a part for my 03 Jeep TJ and all I can say is wow! Korby at Core 4x4 is a total rockstar!! There was a glitch with my payment and within minutes, Korby reached out to me to get it fixed, then sent my receipt with the tracking number. I lost the number and reached out to him during the Holidays and got a rapid response with the number again. I can’t say enough about the customer service and the quality of parts. Thank you!!
P
Paul
Mar 24, 2023
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I've been having trouble with the track bar (on my 2nd gen Dodge) since I installed the 3rd gen Synergy adapter bracket and a 3rd gen stock bar.. oddly, they call it a '3rd gen bracket' and the stock 3rd gen bar doesn't quite fit, making contact with the bracket. I had attempted to clearance the bracket but it was still making contact and I could feel it over large bumps.
I reached out to a lot of companies, but Core 4x4 offered to make a custom bar for the application with adjustability and dual Johnny joints. The first pass on it didn't work but they sent me out another passenger side end that made it fit incredibly well.
This was all done solely over email/descriptions/pictures/measurements.
Bar is super high quality and heavy duty, made in the US by a family owned company and carries a lifetime warranty. The customer service was responsive and superb, and the price was a lot less than I expected.
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.
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Specifications
| Vehicle | Jeep Wrangler TJ (97–06), Jeep Cherokee XJ (84–01), Jeep Comanche MJ (86–92), Jeep Grand Cherokee ZJ (93–98) |
| Truss Upgrade | Truss Only-No tabs or bushings/joints, Daystar Bushings, RJ Johnny Joints |
| Brand | Artec |
