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
The precision metal impact aluminum body increases cooling capacity and will never rust. Inside you will find our race-proven performance valving technology. Our Internal Floating Piston (IFP) mono-tube design separates the shock oil from the high-pressure, nitrogen-charged gas chamber. The IFP eliminates oil aeration allowing maximum performance from the factory-tuned precision valving. The race developed high flow damping piston matched with application specific valving provides the Performance Series 2.0 IFP shock a predicable ride quality capable of handling the roughest road conditions.
- Body - 2.0” Impact extruded and CNC machined 6061-T6 clear anodized aluminum one-piece body resists rust over time
- Body Plating - Clear-anodized for a durable finish
- Components - Black-anodized, CNC-machined 6061-T6 billet aluminum
- Shaft - 5/8" 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 - 29.61
- Compressed - 18.5
- Travel - 11.11
- Top Mount - Eyelet
- Bottom Mount - Eyelet
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Grand Cherokee | 1993 - 1998 | |
| Jeep | Grand Cherokee | 1999 - 2004 |
| Brand | Fox |
| Placement on Vehicle | Rear |
| Mounting Style | Bolt-On |
Reviews of Core 4x4
5.0
★
★
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132 reviews
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.
MT
Ma TheMeatLoaf
Mar 23, 2024
★
★
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Their website estimated 2 days to get my parts but actually took 11. No communication to let me know what’s going on. Parts were missing. Some days they answer questions, some they don’t. Didn’t let me know I’d have to alter stock bolts to fit their parts.
All around just seems like they don’t care.
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:)
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.
MN
Mike Nielsen
Nov 23, 2025
★
★
★
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The customer service is first class. I had an issue with a track bar I installed on my F350. I don’t have any other Core 4x4 parts yet, but with the way I was treated, I know their parts are well done, because they went above and beyond to make sure I was made whole. They wouldn’t be in business if they had to take care of a lot of people like they took care of me. Will definitely be back when it’s time to build the Jeep!
J
Justin
Mar 24, 2021
★
★
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Small business, family owned, made in the USA, lifetime warranty. Purchased Tier 3 control arms and rear track bar for a 2006 Jeep LJ. Simple website and easy to contact over phone and email. I had some technical questions and they were happy to answer them. They allow local pickup and were built to order same week. The order was wrapped and ready when I walked in and even gave a tour of the shop. They abrasive blast all raw materials to achieve a better surface profile for powdercoat to adhere and create a smooth, durable finish. I also noticed several CNC machines and a robotic welder they use for all their parts. A small outfit with a robotic welder? Their concern for quality is obvious and it shows in the parts they make. Very impressed. Happy to do business with these guys.
TW
Travis Walker
Sep 24, 2025
★
★
★
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★
I have nothing but great things to say about this company and their customer service. If you like American made products backed by warranty and amazing customer support, this is the company for you. I have a Lexus GX470 and love their rear control arms.
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.
D
David
Nov 23, 2025
★
★
★
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First of I just want to say Great customer service korby Has helped me from the start and has not let me down! Reached out to him again today and he was able to warranty some parts out for me.
As far as the quality of the parts.. excellent! The build quality is great. I can definitely tell a
Difference from the cheap oem rear control arms to these and the pan hard bar.
Color, From what I can tell it’s super durable been through a few mud holes on top of the daily road grime and after a quick wipe they still pop!
Overall I recommend. Customer service is everything for me and it’s definitely there at Core 4x4.
AP
Ajay Paynter
Mar 4, 2026
★
★
★
★
★
Great company, who worked with me on shipping parts to arrive in time for a show. When I explained my concern they went above and beyond to make it happen. Quality of the parts is top notch.
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Specifications
| Brand | Fox |
