This kit includes 3 components, each built and powder-coated in-house.
Maximum Strength, Stability, and Performance
Upgrade your 2014-Present RAM 2500 with the CORE 4X4 Complete Rear Kit (R-25-2014-AL-RK5)—a high-performance suspension upgrade engineered for superior strength, handling, and adjustability. Whether you’re towing heavy loads, hitting rugged trails, or improving on-road ride quality, this top-tier rear suspension kit ensures maximum control, precision, and durability.
This premium upgrade replaces your factory rear suspension components with heavy-duty, fully adjustable arms and a reinforced track bar, allowing you to fine-tune every aspect of your truck’s rear-end stability and performance.
Key Features and Benefits
- Heavy-Duty 7075 Aluminum Construction – 2.5" OD control arms and 1.75" OD track bar provide unmatched strength, lightweight performance, and extreme durability.
- Maximum Suspension Adjustability – Fine-tune axle positioning, pinion angle, and ride height to accommodate lifts from 0 to 6 inches.
- Rock Jock Johnny Joints for Superior Flexibility – Equipped with massive 3" Johnny Joints, delivering increased articulation, smooth operation, and long-lasting durability.
- Designed for Heavy-Duty Use – Built to enhance towing stability, improve off-road control, and maximize rear-end suspension strength.
Recommended Pairing
For ultimate suspension control, pair with the Adjustable Front Track Bar (R-25-2014-FTB1) to ensure complete front and rear alignment optimization.
Engineered for Maximum Strength Suspension Control
The CORE 4X4 Complete Rear Kit is a true performance upgrade that replaces weak factory components with premium, heavy-duty parts designed for extreme conditions. It eliminates rear axle shifting, instability, and excessive tire wear caused by improper geometry. This kit allows for precision suspension tuning to maintain perfect alignment under heavy loads while ensuring improved ride quality, smoother handling, and enhanced rear-end stability. With superior articulation and shock absorption, it delivers reliable performance on both highway and off-road terrain. Whether you're looking for increased towing capacity, improved trail performance, or maximum rear suspension strength, this kit provides the ultimate combination of durability and adjustability.
Two-Stage Powder Coating for Maximum Durability
To ensure exceptional corrosion resistance and long-term reliability, all aluminum components undergo a two-stage powder coating process:
Zinc primer base coat for rust prevention and durability.
Top coat available in 10 colors for customization and long-lasting protection.
Proudly Made in the USA
At CORE 4X4, we manufacture all of our components in Orem, UT, using American-sourced materials and rigorous quality control standards. Our products are engineered for strength, precision, and peak performance, ensuring your RAM 2500 remains stable, controlled, and capable for years to come.
Optional Hardware Upgrade
This kit installs using factory hardware, but for trucks with rusted or stubborn bolts, we offer Grade 8 hardware kits separately for a hassle-free installation.
Vehicle Fitment: RAM 2500 14+ – This kit is designed to enhance handling, stability, and ride quality, making it perfect for truck owners who push their vehicles to the limit—whether towing, off-roading, or daily driving.
CORE Advantage: This rear suspension kit provides the ultimate upgrade with heavy-duty 7075 aluminum control arms and a reinforced track bar. It allows precise suspension tuning, enhancing axle alignment, stability, and overall control. The premium construction ensures long-lasting durability even under the most demanding conditions.
Adjustability: Fully adjustable components allow for on-vehicle fine-tuning of axle positioning, pinion angle, and ride height, accommodating lifts from 0 to 6 inches. Whether you're tackling heavy loads or rugged terrain, you can customize the suspension for optimal performance.
Construction: Crafted from heavy-duty 7075 aluminum, these control arms and track bar offer exceptional strength, durability, and weight savings. Rock Jock Johnny Joints provide superior flexibility, ensuring smooth operation and increased articulation for both off-road and on-road performance.
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 2.5” 7075 Aluminum. Forged Johnny Joints used on both adjustable ends with 1.5” x 12 TPI - 3.67” long threads.
Rear Lower Control Arms Built With 2.5” 7075 Aluminum. Forged Johnny Joints used on both adjustable ends with 1.5” x 12 TPI - 3.67” long threads.
Rear Track Bar Built With 1.75” 7075 Aluminum. Forged Johnny Joints used on both adjustable ends with 1.25” x 12 TPI - 3.25” long threads.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Ram | 2500 | 2014 - 2024 |
Each rebuild kit includes all necessary components to replace and restore wearable parts.
Construction & Materials
Rear Lower control arms built with 2.5” 7075 Aluminum. Forged Johnny Joints used on both adjustable ends with 1.5” x 12 TPI - 3.67” long threads.
Rear Upper control arms built with 2.5” 7075 Aluminum. Forged Johnny Joints used on both adjustable ends with 1.5” x 12 TPI - 3.67” long threads.
Rear Track Bar built with 1.75” 7075 Aluminum. Forged Johnny Joints used on both adjustable ends with 1.25” x 12 TPI - 3.25” long threads.
| Vehicle | Ram HD 2500 (14–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. |
| Year Range | 14-24 |
| Placement on Vehicle | Front Upper, Front Lower, Front |
| Mounting Style | Bolt-On |
Reviews of Core 4x4
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. |
| Vehicle | Ram HD 2500 (14–Present) |
| Brand | CORE 4X4 |
| Year Range | 14-24 |
| Note to Core4x4: | - |
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