What does a 160 N/mm spring rate mean for my car?

A 160 N/mm spring rate means that for every millimeter the spring is compressed, it will exert 160 Newtons of force. This is a relatively firm rate, suitable for performance applications where reduced body roll and more direct feedback are desired.

Is this spring compatible with any coilover kit?

This spring has a 61mm inner diameter, which is a common size for many aftermarket coilover systems. However, you should always verify the specific spring perch diameter requirements of your coilover kit before purchasing.

What is the advantage of a linear spring rate?

Linear springs offer a consistent force increase as they compress. This predictability makes suspension tuning more straightforward, as the relationship between suspension travel and force is easy to understand and calculate for specific handling goals.

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Specifications

Brand: AST
Part #: AST-130-160-61
UPC: astAST-130-160-61

AST Linear Race Springs - 130mm Length x 160 N/mm Rate x 61mm ID - Single

Name: AST Linear Race Springs - 130mm Length x 160 N/mm Rate x 61mm ID - Single
Brand: AST
SKU: ast-ast-linear-race-springs-130mm-length-x-160-n-mm-rate-x-61mm-id-single-t14-329752
Price: 103.36 USD
Availability: BackOrder

$103.36

On Backorder

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

Key Features

This is a single AST Linear Race Spring.
The spring rate is 160 N/mm, offering firm damping characteristics.
It measures 130mm in length.
The inner diameter is 61mm, a common size for many coilover applications.
Constructed from high-tensile steel for durability and consistent performance.

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About this part

Product Details

Starting with a 160 N/mm spring rate and a 130mm length, these AST Linear Race Springs are built for performance applications where precise suspension control is key. The 61mm inner diameter is a common size for many coilover systems, making them a versatile option for builders looking to fine-tune their suspension setup. These springs are designed to provide a consistent and predictable response under load, which is crucial for maintaining stability during aggressive driving or track use.

Constructed from high-tensile steel, these springs are made to withstand the rigors of demanding use while maintaining their intended spring rate over time. The linear rate means that for every millimeter the spring is compressed, it exerts the same amount of force, offering straightforward tuning and predictable handling characteristics. This makes them a solid choice for those who understand their suspension geometry and want to dial in specific ride characteristics.