Fabtech Rad Arm System with DLSS 4.0 Coilover & Rear DLSS

2008–2010 Ford F250 4WD with Factory Overload

Part #: K20341DL

Overview

The Fabtech 8-inch Rad Arm System with DLSS 4.0 Coilover and Rear DLSS is a comprehensive suspension upgrade designed specifically for Ford F250 4WD models from 2008 to 2010 equipped with factory overloads. This system is engineered to deliver exceptional off-road performance, improved ride quality, and enhanced handling for enthusiasts who demand more from their heavy-duty trucks. Whether you're tackling rugged trails, hauling heavy loads, or seeking a commanding stance, this kit provides the durability and adjustability needed to meet your needs.

Featuring a patented radius arm design, this system replaces the factory components with a full tubular structure reinforced by dimple die side plates, ensuring maximum strength and longevity. The inclusion of the Dirt Logic 4.0 Stainless Steel Coilover Shock conversion offers superior damping performance, allowing you to customize your ride height and firmness for optimal off-road capability and on-road comfort. The system also includes a range of supporting components such as a trac bar relocation bracket, Pitman arm, sway bar drops, rear add-a-leafs, and a block & U-bolt kit, creating a complete suspension overhaul that transforms your truck's performance and stance.

Key Features

Designed with durability and performance in mind, the Fabtech Rad Arm System incorporates several innovative features:

• Full tubular radius arms with dimple die side plates provide increased strength and resistance to bending under heavy loads and off-road stresses.
• Adjustable alignment cam at the axle allows for precise caster adjustments, ensuring proper alignment and handling characteristics.
• Front spring lift combined with Dirt Logic 4.0 Stainless Steel Coilover shocks enhances off-road damping and ride height, improving ground clearance and stability on rough terrain.
• Stainless steel construction of the coilovers offers corrosion resistance and long-lasting performance in harsh environments.
• Supporting components such as sway bar drops and rear add-a-leafs help maintain factory ride quality while increasing load capacity and off-road articulation.
• Complete bolt-on installation with no need for cutting or welding, making it accessible for experienced DIY enthusiasts and professional installers alike.
• Includes rear 2.25-inch Dirt Logic Stainless Steel shocks, providing reliable damping and support for the rear suspension.
• GTIN: 00674866096301 ensures product authenticity and quality assurance from Fabtech.

Construction & Design

The Rad Arm System is built with high-grade materials to withstand the rigors of off-road driving and heavy-duty use. The tubular radius arms are crafted from durable steel, featuring a full tubular design that offers superior strength compared to stock components. Dimple die side plates reinforce critical stress points, preventing deformation and ensuring longevity. The coilover shocks utilize stainless steel bodies and shafts, providing excellent corrosion resistance and consistent damping performance over time.

The system's design emphasizes precise geometry and alignment capabilities. The adjustable cam at the axle allows for fine-tuning caster angles, which is essential for maintaining proper steering and tire wear. The inclusion of sway bar drops and rear add-a-leafs ensures that ride quality remains comfortable while increasing load capacity and articulation, making this system ideal for off-road adventures and heavy payloads.

Performance & Sound

With the installation of this Rad Arm System, your Ford F250 will experience significant improvements in off-road capability, handling, and ride height. The Dirt Logic 4.0 Coilover shocks provide superior damping control, reducing body roll and improving stability on uneven terrain. The adjustable coilovers allow you to tailor the ride firmness to your preference, whether for spirited off-road driving or comfortable daily commuting. The system's robust construction minimizes noise and vibrations, ensuring a quiet and controlled ride both on and off the pavement.

Installation & Fitment

The Fabtech Rad Arm System is designed for a straightforward bolt-on installation, utilizing factory mounting points and hardware. No cutting, welding, or extensive modifications are required, making it suitable for experienced DIY installers and professional shops. The included components are engineered to fit precisely, ensuring proper alignment and performance from the moment of installation. It is recommended to perform a professional wheel alignment after installation to maximize handling and tire life.

• Complete bolt-on system with all necessary hardware included
• No cutting, drilling, or welding required
• Designed specifically for 2008–2010 Ford F250 4WD models with factory overloads

What's Included

• Full set of tubular radius arms with dimple die side plates
• Dirt Logic 4.0 Stainless Steel Coilover shocks (front)
• Rear 2.25-inch Dirt Logic Stainless Steel shocks
• Trac bar relocation bracket
• Pitman arm
• Sway bar drop brackets
• Rear add-a-leafs
• Block & U-bolt kit
• All necessary mounting hardware and instructions

Ideal For

• Off-road enthusiasts seeking increased ground clearance and articulation
• Heavy-duty truck owners who regularly haul or tow
• Drivers looking to improve handling and ride quality on rugged terrain
• Custom truck builders and modifiers aiming for a professional-grade suspension upgrade

Emissions Note

This product is designed for off-road use and may not be emissions compliant in all jurisdictions. Please verify local regulations before installation.