What does the spring rate (125 lb/in) mean for my vehicle's ride?

A 125 lb/in spring rate means that for every inch the spring is compressed, it exerts 125 pounds of force. This rate is generally considered moderate, offering a good balance between comfort for daily driving and firmness for better handling during cornering or over rough terrain.

What is the inner diameter of this spring?

This Fox coilover spring has an inner diameter of 2.5 inches. This measurement is critical for ensuring it fits correctly onto the shock body of compatible Fox 2.5-inch diameter coilover systems.

Is this spring sold individually or as a pair?

This product listing is for a single Fox coilover spring. If your application requires a pair of springs for the front or rear suspension, you will need to purchase two units.

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Specifications

Brand: FOX
Part #: 039-24-125-D

Fox Coilover Spring 12.000 TLG X 2.500 ID X 125 lbs/in. Silver

Name: Fox Coilover Spring 12.000 TLG X 2.500 ID X 125 lbs/in. Silver
Brand: FOX
SKU: fox-fox-coilover-spring-12-000-tlg-x-2-500-id-x-125-lbs-in-silver-t14-178884
Price: 101.00 USD
Availability: BackOrder

$101.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fox Coilover Spring 12" x 2.5" ID x 125 lb/in. Silver

Key Features

Fits compatible Fox 2.5-inch diameter coilover shocks.
Spring rate is 125 lbs/in for a balanced ride.
Measures 12 inches in length.
Has a 2.5-inch inner diameter.
Constructed from strong steel for durability.
Finished in silver for a clean appearance.

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About this part

Product Details

This 125 lb/in coilover spring from Fox measures 12 inches long with a 2.5-inch inner diameter. It's made from strong steel and finished in silver, designed to work with Fox 2.5-inch diameter coilover shocks. The spring rate is a key factor in how your suspension handles bumps and body roll, and this specific rate is chosen to provide a balanced feel for many performance applications.

Fox has been in the suspension game for a long time, and they know how to make springs that perform. This one is well-built to handle the stresses of off-road driving or spirited on-road use. It fits right onto compatible Fox 2.5-inch shocks, making it a straightforward replacement or upgrade if you're looking to fine-tune your vehicle's ride characteristics. The silver finish also adds a clean look under the hood or at the wheel well.