Hellwig Big Wig Rear Sway Bar Kit

Ram 3500 14-25 6.7L Diesel/6.4L/5.7L

Part #: 7298

Overview

The Hellwig Big Wig Rear Sway Bar Kit is a premium handling upgrade designed specifically for heavy-duty trucks like the RAM 3500 equipped with the 6.7L Cummins engine from 2014 through 2026. This sway bar kit addresses the common issue of excessive body roll during towing and hauling, providing enhanced stability and control under demanding conditions. Ideal for truck owners who frequently tow heavy trailers or haul substantial loads, the Big Wig sway bar delivers a noticeable improvement in cornering response and overall vehicle balance.

Many heavy-duty trucks, including the RAM 3500, do not come equipped with factory rear sway bars, which can lead to increased body lean and reduced handling precision when under load. Hellwig’s Big Wig sway bar is engineered to fill this gap, offering a robust solution that enhances safety and driving confidence without compromising ride quality.

Key Features

The Hellwig Big Wig Rear Sway Bar Kit combines advanced engineering with durable materials to optimize towing and hauling performance. Key features include:

• Extra-large 1.3125-inch diameter bar for maximum roll resistance
• Specifically designed for heavy-duty tow and haul applications
• Precision-engineered to fit 2014–2026 RAM 3500 6.7L Cummins models
• Quick bolt-on installation with no major modifications required
• Reduces body roll and improves cornering stability under load
• Constructed from high-strength steel for durability and longevity
• Powder-coated finish for corrosion resistance and lasting appearance
• Compatible with factory suspension components and hardware
• Enhances driver confidence and vehicle safety during towing

Construction & Design

Hellwig’s Big Wig sway bar is crafted from premium-grade steel, ensuring exceptional strength and resistance to bending or fatigue. The large diameter design is optimized to provide maximum anti-roll stiffness, which is critical for maintaining control when hauling heavy loads. The bar is finished with a durable powder coat that protects against rust and environmental wear, extending the life of the component even in harsh conditions.

Each sway bar is precision engineered to match the suspension geometry of the RAM 3500 6.7L Cummins, ensuring proper fitment and function. The design integrates seamlessly with existing suspension parts, preserving ride quality while significantly improving handling performance.

Installation & Fitment

The Hellwig Big Wig Rear Sway Bar Kit is designed for straightforward installation on 2014–2026 RAM 3500 trucks with the 6.7L Cummins engine. The kit includes all necessary mounting hardware, allowing for a quick bolt-on process that typically requires no special tools or modifications. This ease of installation means you can upgrade your truck’s handling capabilities without the need for professional assistance or extended downtime.

Because it is engineered specifically for this vehicle and engine combination, the sway bar fits precisely and works harmoniously with the factory suspension setup, ensuring reliable performance and durability.

What's Included

• 1.3125-inch diameter Hellwig Big Wig rear sway bar
• Heavy-duty mounting brackets and bushings
• All necessary hardware for installation
• Detailed installation instructions

Ideal For

This sway bar kit is ideal for RAM 3500 owners who regularly tow heavy trailers or haul substantial payloads and want to improve their truck’s handling stability and safety. It is especially beneficial for those who experience excessive body roll or sway during cornering or braking while loaded. Whether you use your truck for work, recreation, or both, the Hellwig Big Wig Rear Sway Bar Kit offers a reliable upgrade to enhance your driving experience under demanding conditions.

Hellwig Products has been manufacturing USA-made sway bars and load-control solutions since 1946, offering bolt-on upgrades for trucks, muscle cars, and tow vehicles. Their sway bars and helper systems are designed to reduce body roll, improve stability, and make heavy-duty hauling or spirited driving feel more controlled and predictable.