This kit includes 4 components, each built and powder-coated in-house.
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 Lower Adjustable Control Arms
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Jeep Gladiator JT 20+ 2pc Crawl Series Rear Upper Adjustable Control Arms
View Component →Elevate Your Jeep Gladiator’s Suspension Performance
Upgrade your Jeep Gladiator JT with the Crawl Series Complete Control Arm Set, designed for superior off-road articulation and on-road drivability. This 8-piece suspension kit delivers unmatched durability, adjustability, and control, ensuring your Gladiator is prepared for any terrain. Whether you're tackling rugged trails or navigating daily commutes, this set provides the precision and strength needed for an optimized suspension system.
Key Features and Benefits
- Heavy-duty tubing – Upper arms feature 1.5” OD tubing, and lower arms utilize 1.75” OD DOM tubing for unmatched strength and performance.
- Full adjustability – Accommodates lifts from 0 to 6 inches, allowing for precise alignment, axle centering, and improved suspension geometry.
- Johnny Joints at both ends – Provides superior articulation, durability, and long service life, even under extreme off-road conditions.
- Seamless integration – Pairs perfectly with other Crawl Series components for a complete suspension transformation.
Engineered for Superior Durability
Each control arm is purpose-built to withstand extreme conditions while delivering reliable performance. The lower control arms are constructed from 1.75” OD DOM tubing with a 5/16” wall thickness for maximum strength and stability, while the upper control arms feature 1.5” OD DOM tubing with the same robust wall thickness. Equipped with Johnny Joints at both ends, these control arms offer unparalleled articulation, flexibility, and long-lasting performance. The front upper control arms feature a U-bracket at the axle end for seamless integration with factory bushings.
Optimized Adjustability for Perfect Suspension Geometry
Designed to accommodate lifts from 0 to 6 inches, the Crawl Series Control Arms allow you to fine-tune your suspension for precise alignment correction, axle centering, and optimal pinion and caster angles. By combining all 8 control arms, this kit ensures a fully dialed-in suspension setup for superior handling and performance. For lifts beyond 6 inches, custom solutions are available—just contact us for assistance.
Two-Stage Powder Coating for Maximum Protection
Our control arms undergo a meticulous two-stage powder coating process for superior durability and corrosion resistance. A zinc primer base coat provides robust rust protection, while a durable top coat in your choice of 10 vibrant colors adds long-lasting protection and a personalized touch to your Gladiator.
Proudly Made in the USA
Every component of the Crawl Series is proudly manufactured in our Orem, UT facility. By managing the entire production process in-house and sourcing materials locally, we maintain the highest quality standards while supporting American manufacturing.
Optional Hardware Upgrade
This complete set of control arms is designed for a straightforward installation using factory hardware. Optional Grade 8 hardware kits are available separately for those dealing with rusted or stubborn bolts, ensuring a smooth and stress-free setup.
Final Thoughts
The Crawl Series Complete Control Arm Set is the ultimate suspension solution for Jeep Gladiator JT owners seeking maximum off-road performance and on-road comfort. With its robust construction, precise adjustability, and seamless integration, this kit transforms your vehicle into a trail-dominating machine. Upgrade today and experience the unparalleled performance and reliability of the Crawl Series!
Vehicle Fitment: Jeep Gladiator JT 20+ – Provides a complete suspension upgrade for enhanced axle control, stability, and off-road capability.
CORE Advantage: Delivers full control over axle positioning, caster, and pinion angles while offering unmatched articulation for superior off-road flexibility.
Adjustability: Fully adjustable for 0–6” lifts, allowing fine-tuned alignment correction, axle centering, and optimized suspension geometry for any terrain.
Construction: Built from heavy-duty DOM tubing with 5/16” walls, featuring 1.75” OD lowers, 1.5” OD uppers, and Johnny Joints at both ends for maximum articulation and durability.
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 Joint 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.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Gladiator | 2020 - Present |
Each rebuild kit includes all necessary components to replace and restore wearable parts.
Construction & Materials
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 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.
| 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 | 0" — 6" or 6"+ |
| Hardware | No Hardware or Complete Kit |
| 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
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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 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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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 | 0" — 6", 6"+ |
| Hardware | No Hardware, Complete Kit |
| Vehicle | Jeep Gladiator JT (20–Present) |
| Brand | CORE 4X4 |
| Series | Crawl Series |
| Note to Core4x4: | - |
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