What does the spring rate of 150 lbs/in mean?

A spring rate of 150 lbs/in means that it takes 150 pounds of force to compress the spring by one inch. This rate helps determine how stiff or soft your suspension feels and how it handles body roll.

What is the inner diameter of this spring?

This coilover spring has an inner diameter of 2.5 inches. This is a common size for many aftermarket coilover shock bodies.

What is the purpose of the silver finish?

The silver finish is a powder coat, which adds a layer of protection against corrosion and wear. It also gives the spring a clean, finished appearance.

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Fox Coilover Spring 8.000 TLG X 2.500 ID X 150 lbs/in. Silver

FOX

Specifications

Brand: FOX
Part #: 039-33-150-A

FOX

Fox Coilover Spring 8.000 TLG X 2.500 ID X 150 lbs/in. Silver

Name: Fox Coilover Spring 8.000 TLG X 2.500 ID X 150 lbs/in. Silver
Brand: FOX
Price: 101.00 USD
Availability: InStock

$101.00

Fox 8" long, 2.5" ID, 150 lb/in silver coilover spring.

Key Features

Fits 2.5 inch ID coilover bodies.
Spring rate is 150 lbs/in.
Spring length is 8 inches.
Silver powder coat finish.
Designed for custom suspension tuning.

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Product Details

Fox is well-known for their high-performance suspension components, and this coilover spring is a direct reflection of that expertise. This specific spring measures 8 inches in length with a 2.5-inch inner diameter and a spring rate of 150 pounds per inch. It's finished in a silver powder coat for a clean look and added durability.

When you're building or rebuilding a custom suspension setup, the spring rate is critical for tuning your ride's handling characteristics. A 150 lb/in rate is a common choice for many applications where a balance between comfort and performance is desired. This spring is designed to work with 2.5-inch diameter coilover bodies, a popular size in the aftermarket suspension world.