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
- Features - Performance tuned for vehicle specific application; Aluminum body dissipates heat faster than steel; IFP separates oil from high-pressure nitrogen gas; Black anodized cnc machined aluminum components.
- Series - Performance
- Travel - 8.65
- Body - 2.0" Impact extruded and cnc machined 6061-T6 clear anodized aluminum-one piece body resists rust over time.
- Shaft - 1/2" Hard chrome plated heat-treated alloy steel.
- Piston - Race-developed high-flow piston design.
- Valving - Application specific valving to maximize performance.
- Seals - Redundant sealing pack system main seal, wiper seal, scraper seal
- Extended Length - 24.25
- Compressed Length - 15.6
- Top Mount - Eyelet
- Bottom Mount - Eyelet
| Make | Model | Submodel | Years |
|---|---|---|---|
| Dodge/Ram | 2500 | 2003 - 2007 | |
| Dodge/Ram | 2500 | 2008 - 2009 | |
| Dodge/Ram | 2500 | 2010 - 2013 | |
| Dodge/Ram | 3500 | 2003 - 2007 | |
| Dodge/Ram | 3500 | 2008 - 2009 | |
| Dodge/Ram | 3500 | 2010 - 2012 | |
| Dodge/Ram | 3500 | 2010 - 2013 | |
| Dodge/Ram | 3500 | 2013 - 2024 |
| Vehicle | Ram HD 3500 (13–24) or Ram HD 2500 (03–07) or Ram HD 2500 (08–09) or Ram HD 2500 (10–13) or Ram HD 3500 (03–07) or Ram HD 3500 (08–09) or Ram HD 3500 (10-12) or Ram HD 3500 (10-13) |
| Brand | Fox |
Reviews of Core 4x4
5.0
★
★
★
★
★
132 reviews
JT
jacob trice
Apr 27, 2025
★
★
★
★
★
Core 4x4 has outstanding products at a fair price and unmatched customer service. When you call Korby, it's like talking with a friend. Very cool and helpul!
I ordered some custom control arms, but from the wrong product line and they were super cool about returning them and upgrading to a better "Crawl" series. Only charged the difference between the two products. They paid all the return shipping and sent the uprgaded arms super quick. It was only a couple days. Awesome!!
I couldn't be happier with the transaction👍🏼
Also, these control arms are stout and take a beating. I run heck out my Jeep in the rocks and desert. No problems whatsoever.
Thanks Core 4x4, ya'll are welcome at my campfire anytime!
Jake T.
Pleasant Hill, Or.
8
89Patriot
Jan 22, 2026
★
★
★
★
★
Great company! I have used there products consistently with no complaints with quality you can see and feel. From my experience, their customer service is also amazing. Core 4x4 has no issues standing behind their already amazing products and will quickly and professionally solve issues may they arise. I will continue to be a customer.
VK
Victor Keele
Sep 24, 2025
★
★
★
★
★
Great customer service. I got my front upper and lower control arms and hardware on Friday afternoon. It didn’t come with instructions so I called Core 4X4 and they immediately e mailed me the instructions. Also, the kit I got had the spacers missing so I called. It was late Friday by thus time but they took care of the issue first thing Monday morning and I got the spacers on Tuesday. Great company.
DS
Dana Smith
Jul 26, 2025
★
★
★
★
★
Excellent, strong, and durable products—perfect for both on-road and off-road applications. The customer service is outstanding—friendly, knowledgeable, and extremely helpful with understanding installation and ensuring I got exactly what I needed. I would definitely order again. Top-notch company with high-quality products made right here in the U.S.A.
RH
R and H H
Oct 24, 2025
★
★
★
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★
Top notch company. Mechanic lost bolts that clamp upper control arms. Korby sent out spare bolts no charge. Best customer service I’ve come across in a long time. Only suspension brand I’ll ever use.
RG
Robert Van Gorder
Apr 27, 2025
★
★
★
★
★
Amazing service. Bought a track bar through Americantrucks.com and they sent it with the wrong size bushing sleeve. Korby at Core 4x4 was quick to get me the correct size and very responsive. Will definitely be using more of their stuff.
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.
RC
Robert C
May 27, 2025
★
★
★
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★
Fantastic products! Outstanding performance!! Absolutely the best customer service!! You will not be disappointed!
BZ
Brandon Zeiders
Dec 23, 2025
★
★
★
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★
I ordered the jeep xj long arm lift kit. Control arms showed up first they turned out amazing!! Had some issues with the powder coating on the cross member and sent korby and the team at core4x4 an email. They got right on making me another cross member and sending it out. I appreciate all the help they've given me along the way. Very fast response thru emails. Build quality seems to be pretty dang nice!! Can't wait to install it and enjoy it!
TM
Tony Moller
Aug 25, 2025
★
★
★
★
★
Awesome parts! Support the older Jeeps! Great customer service.
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Specifications
| Vehicle | Ram HD 3500 (13–24), Ram HD 2500 (03–07), Ram HD 2500 (08–09), Ram HD 2500 (10–13), Ram HD 3500 (03–07), Ram HD 3500 (08–09), Ram HD 3500 (10-12), Ram HD 3500 (10-13) |
| Brand | Fox |
