Fabtech Rear Box Kit

2017–2020 Ford F250/F350 4WD Diesel

Part #: FTS22309

Overview

The Fabtech 4-inch Rear Box Kit is a high-quality suspension component designed specifically for Ford F250 and F350 trucks equipped with 4WD and diesel engines from 2017 to 2020. Engineered to enhance your vehicle's off-road capability and overall ride quality, this kit provides a reliable solution for lifting the rear of your truck while maintaining factory-like fitment and durability.

Whether you're a serious off-road enthusiast, a work truck owner, or someone looking to improve the aesthetics and performance of your Ford Super Duty, this rear box kit offers a straightforward upgrade. It helps support increased ground clearance, improved suspension travel, and a more commanding stance, all while ensuring your truck remains capable of handling demanding tasks and rough terrains.

Key Features

The Fabtech Rear Box Kit incorporates advanced design and construction features to deliver superior performance and longevity. Here are some of the key features:

• Constructed from high-strength steel with a durable finish, ensuring resistance to corrosion and harsh environmental conditions.
• Precisely engineered to provide a 4-inch lift at the rear, improving ground clearance and off-road capability without compromising ride quality.
• Designed for easy bolt-on installation using factory mounting points, with no need for cutting or welding.
• Includes all necessary hardware and brackets for a complete, hassle-free installation process.
• Optimized for use with factory or aftermarket shocks, maintaining proper suspension geometry and ride comfort.
• Manufactured in the United States, ensuring strict quality control and adherence to high manufacturing standards.
• Compatible with diesel-powered Ford F250 and F350 models, providing a tailored fit for your specific truck configuration.
• Supports towing and hauling capabilities by maintaining suspension integrity and load-carrying capacity.
• Designed to work seamlessly with existing suspension components, ensuring a balanced and stable ride.

Construction & Design

The Fabtech Rear Box Kit features a robust steel construction designed to withstand the rigors of off-road driving and heavy-duty use. The components are precision-fabricated with TIG welding for superior strength and consistency. The kit's design emphasizes durability, with a powder-coated finish that resists corrosion and chipping, extending the lifespan of the lift components.

The engineering process involved CAD development and rigorous testing to ensure perfect fitment and optimal performance. The kit's geometry maintains factory suspension angles, preventing adverse effects on handling or tire wear. Its modular design allows for straightforward installation, making it accessible for both professional installers and experienced DIY enthusiasts.

Performance & Sound

While primarily focused on lift and durability, this rear box kit also contributes to improved vehicle stance and off-road capability. The added height enhances ground clearance, allowing your truck to navigate rough terrains more confidently. The kit does not significantly alter the vehicle's sound profile but ensures that the suspension remains stable and responsive under load and during spirited driving.

Installation & Fitment

The Fabtech Rear Box Kit is designed for a bolt-on installation, utilizing existing factory mounting points. No cutting, drilling, or welding is required, making it a straightforward upgrade for those with basic mechanical skills. The kit includes all necessary hardware and detailed instructions to facilitate a smooth installation process. It is recommended to have professional alignment performed after installation to ensure optimal handling and tire wear.

• Easy bolt-on installation using factory mounting points
• No cutting, drilling, or welding required
• Compatible with factory or aftermarket shocks
• Designed specifically for 2017–2020 Ford F250 and F350 4WD Diesel models

What's Included

• Rear lift blocks
• Mounting brackets and hardware
• Installation instructions

Ideal For

• Off-road enthusiasts seeking increased ground clearance and suspension travel
• Work truck owners needing a durable lift solution for heavy-duty use
• Ford F250/F350 owners looking to improve vehicle stance and aesthetics
• Anyone wanting a reliable, no-weld rear lift kit for their diesel Super Duty

Emissions Note

This product is designed to meet or exceed industry standards for durability and performance. Please verify local regulations regarding vehicle modifications, as this kit is intended for off-road use and may not be street legal in all areas. Always consult with a professional installer to ensure compliance with applicable emissions laws.