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2,141.96 2141.96 USD 2,519.95

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Jeep Gladiator JT 20+ 12pc Cruise Series Adjustable Control Arm, Track Bar, Steering Kit

SKU: CRS-J-JT-K12
Fits: 2020 - Present Jeep Gladiator JT Add vehicle

2,141.96 2141.96 USD 2,519.95

2,519.95

Starting at $110/mo or 0% APR with . See if you qualify

Build Your Kit

  • Vehicle
    Confirm this matches your vehicle. Use Shop by Vehicle to filter correctly.
  • Brand
  • Color
    Powder coat color for control arms and track bars. Does not affect performance.
  • Series
    Cruise: daily driving and light off-road. Camp: overlanding. Crawl: aggressive rock crawling.
  • Lift Size
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • Hardware
    Choose upgraded hardware if your factory hardware is worn, damaged, or missing.
  • Drag Link Orientation
    Select flipped drag link only if your steering has already been converted to over-the-knuckle.
  • Stabilizer Clamp
    Match your steering stabilizer mounting style. Standard clamp, hydraulic assist, or tie rod clamp.
  • Rear Track Bar Clearance Bend For Spare Tire
    Choose clearance bend if your spare tire interferes with a straight rear track bar.
  • Note to Core4x4:

Select Color to see price and add to cart.

4–8 hr install Moderate Alignment recommended Lifetime warranty on all non-wear items Made In USA

The Ultimate Suspension and Steering Solution

Transform your Jeep Gladiator JT (2020-Present) with the Cruise Series 12-Piece Kit, a comprehensive upgrade designed to eliminate caster deficiencies, axle misalignment, driveline vibrations, wandering, rut-following, and even death wobble. This kit replaces all key hard components, ensuring precise alignment, axle centering, and unmatched handling both on-road and off-road.

For even greater suspension stability, we recommend pairing this kit with the Cruise Series Front Rear End Link Set (CRS-J-JT-ELS4) to complete your Gladiator’s handling transformation.

What’s Included in the Kit?

  • Cruise Series Front Upper Control Arms (CRS-J-JT-FU2)
  • Cruise Series Front Lower Control Arms (CRS-J-JT-FL2)
  • Cruise Series Rear Upper Control Arms (CRS-J-JT-RU2)
  • Cruise Series Rear Lower Control Arms (CRS-J-JT-RL2)
  • Cruise Series Front Track Bar (CRS-J-JT-FTB1)
  • Cruise Series Rear Track Bar (CRS-J-JT-RTB1)
  • 2.5-Ton Heavy-Duty Aluminum Steering Kit (ST-J-JT-SK2)

Each component is built with high-strength DOM steel tubing and RockJock Johnny Joints or polyurethane bushings, offering exceptional durability, articulation, and longevity for any driving condition.

Key Features and Benefits

  • Eliminates death wobble steering play – Corrects axle positioning and steering geometry for enhanced stability and precise steering response.
  • Fixes caster deficiencies wandering – Regains proper caster angle, improving drivability and eliminating wandering or rut-following.
  • Centers axles corrects driveline angles – Ensures proper front and rear axle alignment, reducing driveline vibrations and premature wear.
  • Built for 0 to 6 inches of lift – Fully adjustable control arms and track bars allow for precise suspension tuning at any ride height.
  • Heavy-duty steering upgrade – The 2.5-ton aluminum steering kit provides maximum control and durability in the most extreme conditions.

Recommended Pairing for Ultimate Handling

Combine with the Cruise Series Front Rear End Link Set (CRS-J-JT-ELS4) to further enhance stability and sway control.

Durable Two-Stage Powder Coating

Each component undergoes a zinc primer base coat for corrosion resistance, followed by a top coat available in 10 colors for a personalized look.

Optional Hardware Upgrade

Designed to reuse factory hardware, with optional Grade 8 hardware kits available separately for rusted or worn-out bolts.

Upgrade Today!

The Cruise Series 12-Piece Kit is the most comprehensive suspension and steering upgrade for the Jeep Gladiator JT, eliminating death wobble, steering instability, caster deficiencies, and driveline vibrations. For the ultimate upgrade, pair it with our Cruise Series End Link Set to create a fully optimized suspension system. Upgrade today and take control of your Gladiator’s performance, handling, and off-road capability!

Notes: Some, (not all) factory axle mounts need to be "clearanced" to accept our larger bar. If needed, it is only a minor amount of trimming to be done. This applies to the front track bar only. Please see our Youtube channel for a video addressing this.


Make Model Submodel Years
Jeep Gladiator 2020 - Present

Vehicle Jeep Gladiator JT (20–Present)
Brand CORE 4X4
Color Black or Blue or Charcoal or Green or LightGreen or Orange or Purple or Red or White or Yellow or Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Series Cruise Series
Lift Size 0" — 6" or 6"+
Hardware No Hardware or Complete Kit
Drag Link Orientation Factory Mounting (under the knuckle) or Drag Link Flip w/ Tapered Sleeve And Drill Bit (over the knuckle)
Stabilizer Clamp Standard Clamp or Hydraulic Assist Clamp
Rear Track Bar Clearance Bend For Spare Tire Straight Bar or Clearance Bend

See It Installed

Install videos and build guides on our YouTube channel.

Watch more installs on YouTube
Google

Reviews from Google

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
AP
Ajay Paynter Mar 4, 2026
Google
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.
RC
Ryan Colligan Mar 4, 2026
Google
I have nothing but good things to say about Core 4x4. I have the crawler series on my JKU and we take it all over the place. These parts handle everything we throw at them.
MT
Marcus Torres Jan 15, 2026
Google
Best control arms I have installed on any of my builds. After running every major manufacturer, Core 4x4 is on par or better than all the high-end companies at a fraction of the cost. Lifetime warranty is the cherry on top.
AS
Anthony Snyder Jun 26, 2025
Google
Great experience and really great parts
DS
Dana Smith Jul 26, 2025
Google
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.
TW
Travis Walker Sep 24, 2025
Google
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.
ZA
Zen Asher Mar 23, 2025
Google
The quality and durability of the arms are the best. They are super heavy duty. And lifetime warranty is crazy
NP
Norb Pranger Oct 24, 2025
Google
Not sure where to start, Products or Service or Warranty. Products: I found Core4x4 through a very respected YouTuber in the Jeeping community. I purchased an entire set of Core4x4 Control Arms three years ago and have beat the daylights out of them and they are still in great condition. Now, I purchased another Jeep, this time for my daughter and bought yet another set of Control Arms because I know that these things can take a beating and stand up to it. I plan on replacing more parts on this TJ and my JL and will continue to buy from Core4x4. Service: This isn't some huge name conglomerate that treats you like you're just another customer. They are quick with responses and will always make things right should something be a problem. Oh and the quickness in which they ship their products is unmatched. I bought these CAs for my TJ on Thursday, I received them on Monday. Most other manufacturers will tell you weeks, they had them to me in 2 shipping days. Warranty: Seriously, a lifetime warranty? Yes please. Nothing more to say. I can't say enough about how great of a company this is. I've even spoken to the owner through email a few years back on some questions that I had. Support small American built businesses. P.S. Core 4x4, feel free to make me an ambassador and send me some swag :) .
TD
Tim Davis Sep 24, 2025
Google
Customer service is amazing, responds fast and know what they are talking about. Their product looks top of the line.
TG
Travis Grimm Mar 23, 2024
Google
To start off if you're looking to upgrade your control arms definitely hit this company up. Great product, easy install of the product, with three different tiers everything is priced pretty good, I'm a sticker guy and they sent a sticker for each arm each track bar and also three extra ones so the extra are on the Jeep the advertise them for sure. If you're reading this review I highly recommend you to check their website out.
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