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
Fits:
- 2018+ Jeep Wrangler JL / JLU
- 20+ Jeep JT Gladiator
Benefits:
- Correctly re-centers front axle at 3” lift height without a track bar
- Raises vehicle roll center height for improved stability and reduced body roll.
- Lessens track bar angle to improve geometry
Features:
- Raises front track bar 3.125" from stock location.
- Laser cut and CNC formed from 3/16 and 1/4 inch steel for precision fit and maximum durability.
- Securely indexes to the factory track bar bracket and reinforces with additional attachment points.
- Raises axle side sway bar mounting holes to improve geometry for lifted Jeeps.
- 100 percent bolt-on design assures an easy, trouble free installation with the use of basic hand tools.
- No cutting or drilling required.
- Suspension components feature an abrasion-resistant powder coat finish for maximum durability and corrosion resistance.
Notes:
- Must run drag link in high steer configuration, flipped above knuckle, to use this bracket.
- Adjustable front track bar recommended for lifts 3” or higher.
- Minimum of 3” bump stop spacing required.
- Minimum 4.75” wheel backspacing required to clear drag link in flipped position.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Gladiator | 2020 - Present | |
| Jeep | Wrangler | 2018 - Present |
| Vehicle | Jeep Gladiator JT (20–Present) or Jeep Wrangler JL / JLU (18–Present) |
| Brand | Synergy |
| Placement on Vehicle | Front |
| Mounting Style | Bolt-On |
Reviews of Core 4x4
5.0
★
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132 reviews
D
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
JO
Jaime Overmyer
Nov 23, 2025
★
★
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★
Korby was extremely helpful in helping me find the right part for my truck. He was kind, knowledgeable, and patient while I asked a million questions. He also went out of his way to find the right shipping option for me since it’s tricky where I live. I’m looking forward to getting the parts so I can fix my truck and go adventuring again soon!
DD
Dmitriy D
May 27, 2025
★
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Installed rear and upper control arms and track bar on my 3rd Gen 4RUNNER to align rear axle and restore factory wheel base after 3.5" lift. Car drives better than New! Improved handling cornering and overall driving. Very solid and high quality made product. Support is outstanding. Shipping extremely fast.
Thank you so much. I wish you will have something new for my car.
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
RP
Robin Poole
Jul 26, 2025
★
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I had several questions before my purchase and Korby helped me with the correct parts to order and recommendations. Outstanding customer service and product knowledge! Can't wait to install them!
MH
Matthew Handy
Sep 24, 2025
★
★
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Ran into an issue with a part that I ordered. Got ahold of them explained to them the issue I was having and they jumped in and got the issue fixed. Hands down the best customer service I have ever dealt with. The parts are hands down amazing. Highly recommend.
JG
James Griffin
Jul 26, 2025
★
★
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Customer service is top notch. They answered all of my questions and got me my tracking number for my packages. I just received both of them and the quality is next level. You guys are truly awesome.
BB
Brayden Brockey
Mar 23, 2024
★
★
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Got a set of upper control arms for my xj, really impressed with the quality
B
Ben
Mar 24, 2021
★
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2001 Wrangler TJ- i have purchased all front/rear upper/lower control arms. Front track bar and rear track bar. Quality is excellent and extremely durable you can tell its built to last. Bent a bolt on the front track bar and called and spoke with Spence. He immediately sent me out new hardware plus some! Product is amazing but what really separates companies apart is their service and these guys are second to none. Thank you all!
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.
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Specifications
| Vehicle | Jeep Gladiator JT (20–Present), Jeep Wrangler JL / JLU (18–Present) |
| Brand | Synergy |
