Maximize Your Jeep’s Performance and Handling
Upgrade your Jeep Gladiator JT’s front suspension with the Crawl Series Front Control Arms Set, engineered to solve factory alignment challenges and enhance your off-road experience. Designed for model years 2020-Present, this comprehensive set includes a pair of Front Lower Control Arms (CRL-J-JT-FL2) and a pair of Front Upper Control Arms (CRL-J-JT-FU2). Together, they provide the ultimate solution for addressing factory caster deficiencies and re-centering the front axle, while offering exceptional flexibility for lifts from 0 to 6 inches. Pairing with our Crawl Series Front Track Bar or Rear Control Arms creates a complete suspension upgrade for unmatched performance.
What’s Included
- Crawl Series Front Upper Control Arms (CRL-J-JT-FU2)
- Crawl Series Front Lower Control Arms (CRL-J-JT-FL2)
Detailed Key Features and Benefits
- Enhanced Alignment Correction – Addresses factory caster deficiencies and improves drivability, eliminating wandering and rut-following tendencies. Perfect for correcting geometry on vehicles with lifts from 0 to 6 inches.
- Heavy-Duty Construction – Built with 1.75” OD DOM tubing for the lowers and 1.5” OD DOM tubing for the uppers, both with 5/16” wall thickness, ensuring unmatched strength and durability on tough trails.
- Johnny Joints for Maximum Flexibility – Equipped with Rock Jock Johnny Joints at both ends for superior articulation and smoother movement, allowing for bind-free performance in extreme off-road conditions.
- Complete Suspension Solution – Pair this Front Control Arms Set with our Crawl Series Rear Control Arms Set to optimize axle alignment, articulation, and overall performance, creating a fully capable suspension system ready for any terrain.
Engineered for Flexibility and Precision
This set is designed to solve factory caster issues, particularly noticeable with smaller lifts, while remaining compatible with taller lifts. When paired with our Front Track Bar or Rear Control Arms, you’ll experience the ultimate in axle alignment, articulation, and overall suspension performance.
Premium Two-Stage Powder Coating
All components undergo a rigorous two-stage powder coating process, featuring a zinc primer base for corrosion resistance and a durable top coat in your choice of 10 colors, ensuring long-lasting protection and customization.
Made in the USA
Proudly manufactured in Orem, UT, our Crawl Series Front Control Arms are built to the highest standards of American engineering, offering premium quality and durability you can trust.
Optional Hardware Upgrade
Designed for straightforward installation using factory hardware, with optional Grade 8 hardware kits available separately to handle rusted or stubborn bolts.
In Conclusion
The Crawl Series Front Control Arms Set offers an unparalleled combination of flexibility, strength, and precision. Whether you’re correcting caster angles, re-centering your axle, or upgrading for serious off-road performance, this set provides the perfect solution. Elevate your Jeep Gladiator JT’s suspension today and experience unmatched control and durability on any terrain.
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 |
| Hardware | No Hardware or Complete Kit |
| Lift Size | 0" — 6" or 6"+ |
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 | $446 | $600 | $728 |
| 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.
Suggested Products
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+ 2pc Crawl Series Front Upper Adjustable Control Arms
$ 314.95
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
