Fabtech Dirt Logic 2.5 Coilover Shock Absorbers

2014–2018 GM C/K1500 / Chevrolet Silverado / GMC Sierra 4WD 2.5" Front Stainless Steel Coilover Pair

Part #: FTS21235

Overview

The Fabtech Dirt Logic 2.5 Coilover Shock Absorbers are engineered to deliver exceptional off-road performance and durability for your GM C/K1500, Silverado, or Sierra pickup. Designed with serious off-road enthusiasts in mind, these coilovers provide superior damping capacity, helping your vehicle handle rough terrain with confidence. Whether you're tackling rocky trails, desert dunes, or demanding off-road courses, these coilovers are built to support aggressive driving while maintaining a smooth ride on the street.

Built from the insights gained through desert racing and off-road testing, the Dirt Logic 2.5 shocks are optimized for demanding applications. They combine high-quality materials and advanced construction techniques to ensure reliable performance, long service life, and precise control. If you're looking to upgrade your suspension for improved off-road capability without sacrificing everyday drivability, these coilovers are an excellent choice.

Key Features

The Fabtech Dirt Logic 2.5 Coilovers incorporate several innovative features designed to enhance your vehicle's off-road performance and durability:

• 2.5-inch OD stainless steel shock body provides excellent corrosion resistance and strength for demanding off-road conditions.
• 2.25-inch OD billet aluminum piston ensures lightweight construction with high structural integrity, contributing to precise damping control.
• 7/8-inch NitroSteel black piston rod offers exceptional strength and fatigue resistance, maintaining performance over extended use.
• Cold-wound coil springs are engineered for consistent spring rates and durability, supporting aggressive off-road loads.
• Adjustable coilover construction allows for fine-tuning ride height and damping characteristics to suit your specific driving needs.
• 5/8-inch spherical ball mounting ends provide precise articulation and reduce stress on suspension components, improving handling and longevity.
• Extended length of E23.80 inches and collapsed length designed to fit specific vehicle configurations while providing ample suspension travel for off-road adventures.

Construction & Design

The Dirt Logic 2.5 coilovers feature a robust stainless steel shock body that resists corrosion and withstands harsh environments. The billet aluminum piston offers a lightweight yet durable component that enhances damping precision. The cold-wound coil springs are crafted for consistent performance and resistance to sag over time. The spherical ball mounting ends facilitate smooth articulation and reduce wear on suspension parts, ensuring reliable operation in demanding off-road conditions. Overall, the design emphasizes strength, adjustability, and longevity, making these coilovers suitable for both trail riding and desert racing.

Performance & Sound

These coilovers are designed to provide incredible dampening capacity, supporting aggressive off-road driving while maintaining control and comfort on paved roads. The adjustable features allow you to customize ride height and damping response, optimizing your vehicle's handling for various terrains. While specific horsepower or torque gains are not applicable, upgrading to these coilovers significantly improves your vehicle's off-road capability, responsiveness, and stability, giving you confidence in challenging environments.

Installation & Fitment

The Fabtech Dirt Logic 2.5 coilovers are designed as a direct bolt-on upgrade for your GM C/K1500 (2014–2018), Silverado, or Sierra 4WD trucks. Installation typically involves replacing the factory front shocks and springs with these coilovers, and no cutting, drilling, or complex modifications are required. Basic mechanical skills and standard tools are sufficient for installation. Proper alignment after installation is recommended to ensure optimal handling and tire wear.

• Designed for easy installation with existing mounting points
• No special tuning or modifications necessary

What's Included

• Pair of front Dirt Logic 2.5 stainless steel coilover shocks
• All necessary mounting hardware and components
• Installation instructions

Ideal For

• Off-road enthusiasts seeking high-performance suspension upgrades
• Owners of GM C/K1500, Silverado, or Sierra trucks who want improved ride quality and durability
• Drivers tackling rocky trails, desert dunes, or demanding terrain
• Those looking for a reliable, adjustable coilover system for aggressive off-road driving