Elevate Your Performance On and Off the Road
Unleash the ultimate off-road flexibility with our Crawl Series Front Upper Control Arms, crafted specifically for Jeep Gladiator JT models (2020-Present). Engineered to provide superior articulation and refined on-road manners, these control arms address common alignment challenges, ensuring a smoother, more controlled ride.
What’s Included
- Crawl Series Front Upper Control Arms (CRL-J-JT-FU2)
Detailed Key Features and Benefits
- Peak Off-Road Flexibility and On-Road Comfort – Maintain exceptional axle articulation for rugged terrain while enjoying improved handling and stability on the road.
- Precise Adjustability – Compatible with lifts from 0 to 6 inches, these arms enable precise alignment correction and axle centering for optimized suspension geometry.
- Durable Construction – Crafted from 1.5″ OD DOM Tubing with a 5/16” wall thickness, these control arms feature original Rock Jock Johnny Joints for unmatched strength and longevity.
- Innovative U-Bracket Design – The axle end features a U-bracket to connect seamlessly to factory bushings, offering superior durability and responsive movement.
Optimizing Front-End Geometry
Designed to enhance suspension performance, the Crawl Series Front Upper Control Arms help fine-tune your vehicle’s alignment. Whether correcting pinion angles or achieving proper axle positioning, these arms are a critical component for precise handling and reduced suspension stress.
Two-Stage Powder Coating
Every arm is finished with a robust two-stage powder coating process. Starting with a zinc primer for corrosion resistance, followed by a durable top coat in your choice of 10 colors, this finish ensures long-lasting protection and a custom look.
Made in the USA
Proudly crafted in Orem, UT, our control arms are built to the highest standards, supporting local manufacturing and ensuring unrivaled quality.
Optional Hardware Upgrade
With a user-friendly design, these arms install effortlessly using factory hardware. Optional Grade 8 hardware kits are available separately for dealing with stubborn or rusted bolts.
In Conclusion
Upgrade to the Crawl Series Front Upper Control Arms for exceptional alignment, unmatched durability, and superior off-road capability. Pair them with our front lower control arms for a complete front-end solution, and take your Jeep Gladiator JT’s performance to the next level.
Ideal use:
Crawl Series is for aggressive rock crawling and hard use. Maximum strength and articulation for serious off-road enthusiasts.
Not sure which series fits your needs? Contact us for guidance.
- Alignment recommended after install.
- Install difficulty: moderate. Basic mechanical skills recommended.
- Estimated install time: 4–8 hours depending on experience.
- Some trimming may be required on factory axle mounts (front track bar). See our YouTube channel for guidance.
- Install videos and support available. Check product Description for links.
- Designed to reuse factory hardware. Upgrade available if yours is worn or missing.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Gladiator | 2020 - Present |
Each rebuild kit includes all necessary components to replace and restore wearable parts.
| 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 |
See It Installed
Install videos and build guides on our YouTube channel.
Watch more installs on YouTube
Reviews from Google
Not Sure Which Tier? Compare All Three.
Same American steel. Same warranty. Same quality. Choose by how you use your vehicle.
| CRUISE | CAMP | CRAWL VIEWING | |
|---|---|---|---|
| Tagline | "Daily Confidence" | "Weekend Ready" | "Trail Domination" |
| Joint Type | Polyurethane Bushings | Johnny Joint (Single) | Double Johnny Joint |
| Articulation | ~30% | ~65% | ~95% |
| Tubing | 1.625" OD / 3/16" Wall DOM | 1.75" OD / 5/16" Wall DOM | 1.75" OD / 5/16" Wall DOM |
| Price | $214 | $283 | $299 |
| Maintenance | Zero | Periodic grease | Periodic grease |
| Best For | Daily driver, light trails | Weekend warrior, moderate off-road | Hardcore builder, competition |
| Warranty | Lifetime ✓ | Lifetime ✓ | Lifetime ✓ |
Why Builders Choose Core 4x4
The only aftermarket suspension brand with a tiered product system
vs. MetalCloak
One price point, no tier options. Core 4x4 Crawl matches their performance at a better price with a better warranty.
vs. Teraflex
Skip a grease interval? Warranty voided. Core 4x4 Cruise requires zero maintenance — and our warranty covers everything.
vs. Clayton / Budget
Cheaper arms exist. But adjustable, American-made, 10 colors, lifetime guarantee, and an upgrade path? Only Core 4x4.
Accessories & Add-ons
Jeep Gladiator JT 20+ 8pc Crawl Series Adjustable Control Arm Kit
$ 1,611.70
Jeep Gladiator JT 20+ 2pc Crawl Series Front Lower Adjustable Control Arms
$ 503.95
Jeep Gladiator JT 20+ 4pc Crawl Series Front Adjustable Control Arm Kit
$ 766.45
Jeep Gladiator JT 20+ 10pc Crawl Series Adjustable Control Arm, Track Bar Kit
$ 2,047.45
Jeep Gladiator JT 20+ 12pc Crawl Series Adjustable Control Arm, Track Bar, Steering Kit
$ 3,202.45
Jeep Gladiator JT 20+ 16pc Crawl Series Adjustable Control Arm, Track Bar, End Link Kit
$ 3,727.45
