What does a linear spring rate mean for my car?

A linear spring rate means the force the spring exerts increases at a constant rate as it compresses. This provides predictable handling and consistent suspension response, which is beneficial for performance driving and track use.

What is the advantage of a 61mm inner diameter spring?

The 61mm inner diameter is a common size for many performance coilovers. It ensures compatibility with a wide range of shock bodies designed for this specific diameter, making it easier to integrate into custom or performance suspension setups.

What kind of vehicles are these springs typically used for?

These springs are designed for performance and racing applications. They are often used in track cars, drift cars, or any vehicle where the owner is looking to significantly upgrade and fine-tune their suspension for improved handling and control.

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Specifications

Brand: AST
Part #: AST-120-180-61
UPC: astAST-120-180-61

AST Linear Race Springs - 120mm Length x 180 N/mm Rate x 61mm ID - Single

Name: AST Linear Race Springs - 120mm Length x 180 N/mm Rate x 61mm ID - Single
Brand: AST
SKU: ast-ast-linear-race-springs-120mm-length-x-180-n-mm-rate-x-61mm-id-single-t14-329726
Price: 103.36 USD
Availability: BackOrder

$103.36

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AST Linear Race Springs: 120mm length, 180 N/mm rate, 61mm ID. Ideal for performance builds needing precise suspension tuning.

Key Features

This is a single AST Linear Race Spring.
The spring has a 61mm inner diameter.
It measures 120mm in length.
The spring rate is 180 N/mm, offering firm control.
Constructed from high-tensile steel for durability.

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About this part

Product Details

Starting with a 61mm inner diameter and a 120mm length, these AST Linear Race Springs are built for performance applications where precise suspension control is key. The 180 N/mm spring rate means that for every millimeter the spring compresses, it exerts 180 Newtons of force back. This specific rate is chosen for its ability to provide a well-controlled response during aggressive driving or track use, helping to keep the tire in contact with the road over bumps and during hard cornering.

These springs are constructed from high-tensile steel, a well-built material chosen for its strength and ability to withstand repeated compression cycles without losing its intended rate. The linear design ensures that the spring rate remains consistent throughout its travel, offering predictable handling characteristics. This makes them a solid option for builders looking to fine-tune their coilover setup for a specific driving feel or track condition.