FOX 039-26-004-A 13" Coilover Spring 600 lb Rate for Performance Suspension

Vehicle Fitment

• Universal coilover suspension spring for performance and aftermarket setups
• Used in custom coilover assemblies on cars, trucks, and off-road vehicles
• Fits systems requiring 13" spring length with a 3.0" inside diameter

Features

• FOX high-quality coilover spring designed for suspension tuning
• 600 lb/in spring rate for performance ride and controlled handling
• 13.000" free length accommodates a range of coilover applications
• 3.000" inside diameter for compatibility with many shock bodies
• Durable silver-finished steel construction for lasting service
• Precision wound for consistent performance and load support
• Used to tune ride height and spring rate in bespoke suspension builds
• Sold individually - pair up for dual-spring systems

Specifications

• Manufacturer Part Number: 039-26-004-A
• Spring Type: Coilover suspension spring
• Spring Length: 13.000"
• Inside Diameter: 3.000"
• Spring Rate: 600 lb/in
• Finish: Silver/gray powder-coated housing
• Material: High-strength spring steel
• Quantity: Sold individually

Included Components

• 1x FOX 039-26-004-A coilover suspension spring

Product Description

The FOX 039-26-004-A Coilover Spring is a premium suspension spring designed for universal use in aftermarket and custom coilover assemblies. With a free length of 13 inches and a 3.0 inch inside diameter, this spring is built to support a 600 lb/in rate - making it suitable for performance-oriented applications where firm, controlled ride characteristics and consistent load support are desired. It integrates into a wide variety of suspension setups, whether tuning a street machine, off-road rig, or track car.

Constructed from high-strength steel and finished with a durable silver coating, this FOX coilover spring offers lasting service life and load-bearing capability. It's ideal for builders, tuners, and enthusiasts who want to customize ride height and spring rate within their coilover suspension system. Each unit is sold individually, so you can install one or pair them as needed for front and rear applications based on your vehicle's setup.