Optimized Rear Suspension Control
Upgrade the stability, alignment, and suspension performance of your Jeep Wrangler JK with the Cruise Series Rear Upper Control Arms. Designed to enhance durability and improve ride quality, these control arms outperform stock components, offering better strength and adjustability for lifted vehicles. If you're experiencing driveline vibrations, poor pinion angles, or rear-end instability, these adjustable rear upper control arms provide a crucial upgrade to restore proper suspension geometry.
Key Features and Benefits
- Heavy-Duty Steel Tubing Construction – Built from durable steel tubing to handle the toughest off-road conditions while maintaining on-road comfort.
- Fully Adjustable for Lifted Vehicles – Accommodates lifts from 0 to 6 inches, allowing precise pinion angle correction and rear axle re-centering.
- Improves Drivability Reduces Wear – Helps address driveline vibrations, reducing stress on suspension components and extending tire life.
- Tapered Polyurethane Bushings – Designed to provide smooth articulation, improved ride quality, and long-lasting performance.
- Complete Rear-End Alignment Solution – For maximum control and proper geometry, pair with Cruise Series Rear Lower Control Arms (CRS-J-JK-RL2).
For lifts beyond 6 inches, contact us for custom solutions.
Durable Two-Stage Powder Coating
All control arms undergo a two-stage powder coating process to enhance longevity and corrosion resistance: Zinc primer base coat – Provides superior rust protection. Durable top coat – Available in 10 color options for added personalization.
Proudly Made in the USA
Manufactured in Orem, UT, the Cruise Series Rear Upper Control Arms are built to the highest American standards, ensuring quality, reliability, and performance.
Effortless Installation
Designed for bolt-on installation using factory hardware. If dealing with rusted or worn-out bolts, we offer optional Grade 8 hardware kits separately for a seamless upgrade.
Upgrade today and take control of your Jeep’s performance!
Vehicle Fitment: Jeep Wrangler JK 07-18 – Enhances rear suspension control by correcting pinion angle and improving drivability, ensuring better handling and durability for lifted and off-road setups.
CORE Advantage: Adjustable design re-centers the rear axle and fine-tunes pinion angles to reduce driveline vibrations, optimize suspension geometry, and extend the lifespan of critical components.
Adjustability: Designed to accommodate lifts from 0 to 6 inches, allowing precise tuning for pinion angle correction and axle alignment. For lifts beyond 6 inches, contact us for custom solutions.
Construction: Built from heavy-duty steel tubing for maximum strength and longevity. Features tapered polyurethane bushings to improve ride quality, minimize vibrations, and enhance off-road articulation.
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 1.625” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1” x 14 TPI - 3.25” long threads.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Wrangler | 2007 - 2018 |
Each rebuild kit includes all necessary components to replace and restore wearable parts.
Construction & Materials
Rear Upper control arms built with 1.625” OD 3/16” Wall DOM. Polyurethane Bushings on the fixed and adjustable ends with 1” x 14 TPI - 3.25” long threads.
| Vehicle | Jeep Wrangler JK / JKU (07–18) |
| 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. |
| Hardware | No Hardware or Complete Kit |
| Series | Cruise Series |
| 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 Wrangler JK / JKU 07-18 8pc Cruise Series Adjustable Control Arm Kit
$ 892.45
Jeep Wrangler JK / JKU 07-18 2pc Cruise Series Rear Lower Adjustable Control Arms
$ 251.95
Jeep Wrangler JK / JKU 07-18 4pc Cruise Series Rear Adjustable Control Arm Kit
$ 472.45Specifications
| 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. |
| Hardware | No Hardware, Complete Kit |
| Vehicle | Jeep Wrangler JK / JKU (07–18) |
| Brand | CORE 4X4 |
| Series | Cruise Series |
| Note to Core4x4: | - |
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