This kit includes 9 components, each built and powder-coated in-house.
Jeep Gladiator JT 20+ 2pc Crawl Series Front Fixed Length End Links
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Jeep Gladiator JT 20+ 2pc Crawl Series Front Lower Adjustable Control Arms
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Jeep Gladiator JT 20+ 2pc Crawl Series Front Upper Adjustable Control Arms
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Jeep Gladiator JT 20+ 2pc Crawl Series Rear Fixed Length End Links
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Jeep Gladiator JT 20+ 2pc Crawl Series Rear Lower Adjustable Control Arms
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Jeep Gladiator JT 20+ 2pc Crawl Series Rear Upper Adjustable Control Arms
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Jeep Gladiator JT 20+ 2pc Heavy-Duty Tie Rod, Drag Link Steering Kit
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Jeep Gladiator JT 20+ Crawl Series Front Heavy-Duty Adjustable Track Bar
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Jeep Gladiator JT 20+ Crawl Series Rear Heavy-Duty Adjustable Track Bar
View Component →Maximize Your Jeep Gladiator JT’s Performance with the Crawl Series Total Suspension Control Kit
Take your Jeep Gladiator JT (2020-Present) to the next level with the Crawl Series Total Suspension Control Kit. Combining unmatched off-road flexibility with exceptional on-road comfort, this all-inclusive kit provides total control over your vehicle’s suspension and steering systems. Engineered with premium DOM tubing, Johnny Joints, and heavy-duty aluminum steering, it delivers durability, adjustability, and peak performance for lifts from 0 to 6 inches.
What’s Included:
- Crawl Series Front Upper Control Arms (CRL-J-JT-FU2)
- Crawl Series Front Lower Control Arms (CRL-J-JT-FL2)
- Crawl Series Rear Upper Control Arms (CRL-J-JT-RU2)
- Crawl Series Rear Lower Control Arms (CRL-J-JT-RL2)
- Crawl Series Front Track Bar (CRL-J-JT-FTB1)
- Crawl Series Rear Track Bar (CRL-J-JT-RTB1)
- Crawl Series Front End Links (CRL-J-JT-FEL2)
- Crawl Series Rear End Links (CRL-J-JT-REL2)
- 2.5-Ton Heavy Duty Aluminum Steering Kit (ST-J-JT-SK2)
Key Features and Benefits:
- All-inclusive performance upgrade – Experience a full suspension and steering solution with adjustable control arms, track bars, end links, and a heavy-duty steering kit to optimize performance across any terrain.
- Unmatched articulation and flexibility – Johnny Joints at both ends of every control arm and track bar ensure exceptional articulation, delivering superior off-road performance and flexibility without compromising durability.
- Improved handling and stability – Designed to address axle alignment, suspension geometry, and steering precision, this kit eliminates symptoms like wandering, death wobble, and instability, ensuring a smoother driving experience.
- Heavy-duty steering system – The 2.5-ton aluminum steering kit delivers unparalleled strength and precision, giving you total control over your Gladiator’s handling in extreme off-road conditions or daily driving.
Solving Suspension and Steering Issues
The Crawl Series Total Suspension Control Kit addresses critical suspension and steering challenges, including misalignment, axle shifting, and steering imprecision. With its fully adjustable components and superior articulation, this kit ensures your vehicle’s suspension performs flawlessly, offering improved drivability and reduced wear on essential components.
Two-Stage Powder Coating
Each component undergoes a meticulous two-stage powder coating process for maximum durability. The zinc primer base ensures superior corrosion resistance, while the top coat—available in 10 custom colors—adds a protective and stylish finish to your Jeep Gladiator JT.
Made in the USA
Proudly crafted in Orem, UT, the Crawl Series embodies American manufacturing excellence. Locally sourced materials and stringent quality control ensure that each kit is built to handle the toughest conditions with unmatched reliability.
Optional Hardware Upgrade
This kit is designed for hassle-free installation using factory hardware. Optional Grade 8 hardware kits are available for seamless replacement of rusted or stubborn bolts, ensuring a secure fit and reduced downtime.
Vehicle Fitment: Jeep Gladiator JT 20+ – Designed for those who demand extreme articulation and precise handling, this kit transforms your suspension with fully adjustable components built for both rugged off-road use and smooth, controlled highway driving.
CORE Advantage: This is the most complete suspension and steering upgrade for the Jeep Gladiator JT, offering total control over axle alignment, pinion and caster angles, and steering response, ensuring superior drivability, articulation, and long-term durability.
Adjustability: Accommodating lifts from 0 to 6 inches, this kit allows precise tuning of axle positioning, suspension geometry, and steering alignment, eliminating misalignment issues while optimizing handling, stability, and overall ride quality.
Construction: Engineered with 1.75” OD DOM lower control arms, 1.5” OD DOM upper control arms, and 1.5” OD DOM track bars, all with 5/16” wall thickness, plus a 2.5-ton 7075 aluminum steering system, ensuring unmatched strength and long-lasting reliability.
Two-Stage Powder Coating: Zinc primer base and top coat available in 10 vibrant colors protect against corrosion and allow for personalized styling of your rig.
Warranty and Origin: Proudly manufactured in the United States, our product includes a lifetime warranty on all non-wear items, providing you with confidence and peace of mind in your purchase.
Built With
Front Lower control arm built with 1.75” OD 5/16” Wall DOM. Welded Johnny Joint on the fixed end and a Forged Johnny Joint on the adjustable end with 1.25” x 12 TPI - 2.625” long threads.
Front Upper control arm built with 1.5” OD 5/16” Wall DOM. Welded u-bracket on the welded end and a Forged Johnny Joints on the adjustable end with 1” x 14” TPI - 2.32” long threads.
Rear Upper control arms built with 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.
Rear Lower control arms built with 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.
Front Track Bar built with 1.5” OD 5/16” Wall DOM. Welded Johnny Joint on the fixed end and a Forged Johnny Joints on the adjustable end with 1” x 14 TPI - 2.32” long threads.
Rear Track Bar built with 1.5” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1” x 14” TPI - 2.32” long threads.
Front End Links built with .75” Cold Rolled Steel. Welded Johnny Joints on both fixed ends.
Rear End Links built with .75” Cold Rolled Steel. Welded Johnny Joints on both fixed ends.
Tie Rod and Drag Link made from 2" 7075 Aluminum. Tie Rod and Drag Link use Apex Chassis Forged Rod Ends.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Gladiator | 2020 - Present |
Each rebuild kit includes all necessary components to replace and restore wearable parts.
Construction & Materials
Front End Links built with .75” Cold Rolled Steel. Welded Johnny Joints on both fixed ends.
Front Lower control arm built with 1.75” OD 5/16” Wall DOM. Welded Johnny Joint on the fixed end and a Forged Johnny Joint on the adjustable end with 1.25” x 12 TPI - 2.625” long threads.
Front Upper control arm built with 1.5” OD 5/16” Wall DOM. Welded u-bracket on the welded end and a Forged Johnny Joints on the adjustable end with 1” x 14” TPI - 2.32” long threads.
Rear End Links built with .75” Cold Rolled Steel. Welded Johnny Joints on both fixed ends.
Rear Lower control arms built with 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.
Rear Upper control arms built with 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.
Tie Rod and Drag Link made from 2" 7075 Aluminum. Tie Rod and Drag Link use Apex Chassis Forged Rod Ends.
Front Track Bar built with 1.5” OD 5/16” Wall DOM. Welded Johnny Joint on the fixed end and a Forged Johnny Joints on the adjustable end with 1” x 14 TPI - 2.32” long threads.
Rear Track Bar built with 1.5” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1” x 14” TPI - 2.32” long threads.
| 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 | Crawl Series |
| Lift Size | Stock Height or Lifted 1" or Lifted 2" or Lifted 3" or Lifted 4" or Lifted 5" or Lifted 6" or Lifted 7" or Lifted 8" or Custom length or 1/2 sizes (put desired length in the Order Notes) |
| 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 or Tie Rod Clamp for JL/JT - Fits Fox, Teraflex, And Standard Relocated Stabilizers That Bolt To The Tie Rod Instead Of The Rod End |
| Rear Track Bar Clearance Bend For Spare Tire | Straight Bar or Clearance Bend |
| Placement on Vehicle | Front Upper, Front Lower, Rear Upper, Rear Lower, Front, Rear |
| Mounting Style | Bolt-On |
Use the vehicle selector on our website to shop by your year, make, and model. On product pages, use the kit builder to select your color, series, lift height, and any add-on options, then add to cart. If you need help, call or email our team.
Standard orders typically ship within 1–3 business days of ordering. Custom color orders take approximately 5–10 business days. Because everything is built in-house, we can turn orders quickly even for custom specifications.
You can reach our team through the contact form on our website, or browse to the Contact Us page. Our team is available to answer pre-sale and technical questions before and after your purchase.
Reviews of Core 4x4
Suggested Products
Jeep Gladiator JT 20+ 2pc Crawl Series Front Fixed Length End Links
$ 335.95
Jeep Gladiator JT 20+ 2pc Crawl Series Front Lower Adjustable Control Arms
$ 503.95
Jeep Gladiator JT 20+ 2pc Crawl Series Front Upper Adjustable Control Arms
$ 314.95
Jeep Gladiator JT 20+ 2pc Crawl Series Rear Fixed Length End Links
$ 335.95
Jeep Gladiator JT 20+ 2pc Crawl Series Rear Lower Adjustable Control Arms
$ 498.70
Jeep Gladiator JT 20+ 2pc Crawl Series Rear Upper Adjustable Control Arms
$ 472.45
Jeep Gladiator JT 20+ 2pc Heavy-Duty Tie Rod, Drag Link Steering Kit
$ 1,275.70
Jeep Gladiator JT 20+ Crawl Series Front Heavy-Duty Adjustable Track Bar
$ 330.70
Jeep Gladiator JT 20+ Crawl Series Rear Heavy-Duty Adjustable Track Bar
$ 330.70
Specifications
| Color | Black, Blue, Charcoal, Green, LightGreen, Orange, Purple, Red, White, Yellow, Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed. |
| Lift Size | Stock Height, Lifted 1", Lifted 2", Lifted 3", Lifted 4", Lifted 5", Lifted 6", Lifted 7", Lifted 8", Custom length or 1/2 sizes (put desired length in the Order Notes) |
| Hardware | No Hardware, Complete Kit |
| Drag Link Orientation | Factory Mounting (under the knuckle), Drag Link Flip w/ Tapered Sleeve And Drill Bit (over the knuckle) |
| Stabilizer Clamp | Standard Clamp, Hydraulic Assist Clamp, Tie Rod Clamp for JL/JT - Fits Fox, Teraflex, And Standard Relocated Stabilizers That Bolt To The Tie Rod Instead Of The Rod End |
| Rear Track Bar Clearance Bend For Spare Tire | Straight Bar, Clearance Bend |
| Vehicle | Jeep Gladiator JT (20–Present) |
| Brand | CORE 4X4 |
| Series | Crawl Series |
| Note to Core4x4: | - |
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