Maximize Your Jeep Grand Cherokee WK’s Suspension Performance
Enhance your Jeep Grand Cherokee WK (2005-2010) with the Crawl Series Rear Upper Control Arms, designed for exceptional strength, durability, and off-road articulation. These high-performance control arms deliver superior stability, axle control, and pinion angle correction, making them an essential upgrade for lifted Jeeps.
Key Features and Benefits
- Heavy-Duty DOM Tubing Construction – Built from .313" wall DOM tubing, providing maximum strength and longevity in extreme off-road conditions.
- Fully Adjustable for Lifted Vehicles – Accommodates lifts from 0 to 6 inches, allowing for pinion angle correction, rear axle centering, and optimal suspension geometry.
- Rock Jock Johnny Joints at Both Ends – Provides maximum articulation and off-road flexibility, allowing for smooth, responsive suspension movement.
- Left Right-Hand Threaded Adjustability – Enables on-vehicle fine-tuning for quick and hassle-free adjustments.
- Optional Bent Design for Additional Clearance – Available with an optional bend to provide extra clearance around the gas tank skid plate.
- Recommended Pairing – Pair with the Crawl Series Rear Lower Control Arms (CRL-J-WK-RL2) for a fully adjustable and optimized rear suspension system.
Durable Two-Stage Powder Coating
Each control arm undergoes a two-stage powder coating process, featuring: Corrosion-resistant zinc primer base coat for maximum rust prevention. Top coat available in 10 colors for added protection and customization.
This process provides long-lasting protection against rust and wear while allowing you to personalize the look of your suspension components.
Proudly Made in the USA
Manufactured in Orem, UT, our Crawl Series Rear Upper Control Arms meet the highest standards of American craftsmanship, ensuring top-tier reliability, strength, and precision.
Optional Hardware Upgrade
Designed for straightforward bolt-on installation using factory hardware. For those dealing with rusted or stubborn bolts, optional Grade 8 hardware kits are available for a seamless setup.
Vehicle Fitment: Jeep Grand Cherokee WK 05-10 – Enhances rear axle stability, prevents drivetrain stress, and improves ride quality for a smoother, more controlled suspension setup.
CORE Advantage: Eliminates axle misalignment, enhances suspension geometry, and corrects pinion angle, reducing vibrations and ensuring optimal driveline performance for lifted vehicles.
Adjustability: Designed for 0 to 6-inch lifts, allowing precise pinion angle correction and axle centering with left- and right-hand threaded adjusters for fine-tuning without removal.
Construction: Built from 5/16” wall DOM tubing, featuring Johnny Joints at both ends for maximum articulation, durability, and off-road flexibility, ensuring a bind-free and responsive suspension.
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
Rear Upper control arms 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.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Grand Cherokee | 2005 - 2010 |
Each rebuild kit includes all necessary components to replace and restore wearable parts.
Construction & Materials
Rear Upper control arms 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 Grand Cherokee WK (05–10) |
| 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. |
| Lift Size | 0" — 6" or 6"+ |
| Hardware | No Hardware or Complete Kit |
| Series | Crawl Series |
| Gas Tank Skid Clearance Bend | No Bend or Clearance Bend |
| Placement on Vehicle | Rear Upper, 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
Accessories & Add-ons
Jeep Grand Cherokee WK 05-10 5pc Crawl Series Rear Adjustable Control Arm, Track Bar Kit
$ 1,133.95
Jeep Grand Cherokee WK 05-10 2pc Crawl Series Rear Lower Adjustable Control Arms
$ 493.45
Jeep Grand Cherokee WK 05-10 4pc Crawl Series Rear Adjustable Control Arm Kit
$ 923.95Specifications
| 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 |
| Gas Tank Skid Clearance Bend | No Bend, Clearance Bend |
| Vehicle | Jeep Grand Cherokee WK (05–10) |
| Brand | CORE 4X4 |
| Series | Crawl Series |
| Note to Core4x4: | - |
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