The Ultimate Trailing Arm Solution for Lifted Trucks
Take your truck’s performance to new heights with the CORE 4X4 Universal Trailing Arm Kit. Specifically engineered for lifted trucks, particularly those with rear lift blocks, this heavy-duty weld-on kit resolves common suspension issues like axle wrap, wheel hop, and driveline vibrations. Designed for off-road enthusiasts and everyday drivers alike, this kit provides unmatched stability, balance, and durability.
This all-inclusive kit ensures a precise and seamless installation for a wide range of trucks.
Robust Construction for Maximum Performance
Solid 7075 Aluminum Trailing Arms
Built with 2” solid 7075 aluminum, these trailing arms are designed to flex upon impact, preventing permanent bending. The aluminum’s unique “memory” allows it to return to its original shape, maintaining traction and performance even under extreme conditions.
1/4” Plate Steel Weld-On Brackets
The heavy-duty 1/4” plate steel brackets provide strong, reliable anchor points, ensuring your suspension stays secure in the toughest environments.
Heavy-Duty FK Rod Ends
Equipped with durable FK rod ends that require no lubrication, this kit offers low-maintenance operation with enhanced articulation and longevity.
Durable Powder Coating for Long-Lasting Protection
The trailing arms undergo a resilient two-stage powder coating process: Zinc primer base coat provides exceptional corrosion resistance Durable top coat—available in 10 vibrant colors or custom options—enhances both durability and aesthetics
Proudly Made in the USA
Crafted at our Orem, UT facility, the CORE 4X4 Universal Trailing Arm Kit is a testament to American engineering excellence. By sourcing local materials and keeping production in-house, we deliver superior quality and support American manufacturing.
Optional Hardware Upgrade for Advanced Enthusiasts
While this kit requires cutting and welding expertise for installation, all necessary hardware—including Grade 8 bolts—is included to streamline the process.
Vehicle Fitment: Universal – Designed for lifted trucks with rear lift blocks to eliminate axle wrap, wheel hop, and driveline vibrations, improving stability and traction.
CORE Advantage: Enhances traction, reduces wheel hop, and provides superior suspension control for towing, hauling, and off-road use. Keeps the rear suspension stable, ensuring smoother handling on any terrain.
Adjustability: Fully adjustable design accommodates various lift heights, allowing fine-tuning of pinion angle, rear suspension geometry, and axle positioning for optimal performance.
Construction: Built with 2” solid 7075 aluminum trailing arms for unmatched durability and impact absorption, 1/4” plate steel weld-on brackets for secure mounting, and heavy-duty FK rod ends for articulation and longevity.
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
Universal Trailing Arms built with 2” 7075 Aluminum using FK Rod Ends on both adjustable ends. Includes .25” laser cut palte steel for the axle and frame brackets.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Ram | 2500 | 1994 - 1999 | |
| Ram | 3500 | 1994 - 1999 | |
| Ram | 4500 | 2008 - Present | |
| Ram | 5500 | 2008 - Present |
Construction & Materials
Universal Trailing Arms built with 2” 7075 Aluminum using FK Rod Ends on both adjustable ends. Includes .25” laser cut palte steel for the axle and frame brackets.
| Vehicle | Ram HD 2500 (94–99) or Ram HD 3500 (94–99) or Ram HD 4500 (08–Present) or Ram HD 5500 (08–Present) |
| Brand | CORE 4X4 |
| Color | Black or Blue or Charcoal or Green or Light Green or Orange or Purple or Red or White or Yellow or Raw Aluminum or Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed. |
| Placement on Vehicle | Rear |
| Mounting Style | Weld-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
Specifications
| Vehicle | Ram HD 2500 (94–99), Ram HD 3500 (94–99), Ram HD 4500 (08–Present), Ram HD 5500 (08–Present) |
| Color | Black, Blue, Charcoal, Green, Light Green, Orange, Purple, Red, White, Yellow, Raw Aluminum, Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed. |
| Brand | CORE 4X4 |
| Note to Core4x4: | - |
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