What does a linear spring rate mean for my car's handling?

A linear spring rate means the force the spring applies increases directly with compression. This offers predictable suspension behavior, which is beneficial for consistent handling during aggressive driving maneuvers like cornering and braking.

What is the inner diameter of this spring?

This AST Linear Race Spring has an inner diameter of 61mm. This specific size is important for ensuring it fits correctly onto the intended coilover shock absorber body.

Is this spring sold individually or as a set?

This product listing is for a single AST Linear Race Spring. If you are rebuilding or upgrading a full set of coilovers, you will need to purchase multiple individual springs.

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AST Linear Race Springs - 150mm Length x 80 N/mm Rate x 61mm ID - Single

Specifications

Brand: AST
Part #: AST-150-80-61
UPC: astAST-150-80-61

AST Linear Race Springs - 150mm Length x 80 N/mm Rate x 61mm ID - Single

Name: AST Linear Race Springs - 150mm Length x 80 N/mm Rate x 61mm ID - Single
Brand: AST
SKU: ast-ast-linear-race-springs-150mm-length-x-80-n-mm-rate-x-61mm-id-single-t14-329796
Price: 85.50 USD
Availability: InStock

$85.50

Only 2 left in stock

AST Linear Race Springs: 150mm length, 80 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 rate is 80 N/mm, offering a firm and responsive suspension feel.
It measures 150mm in length, a common size for performance coilovers.
The inner diameter is 61mm, designed to fit specific coilover shock bodies.
Linear spring design provides consistent force application throughout its travel.

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Product Details

With a spring rate of 80 Newtons per millimeter, these AST Linear Race Springs are built for performance applications where precise suspension control is key. The 150mm length and 61mm inner diameter are standard dimensions for many performance coilover setups, making them a solid choice for builders looking to fine-tune their vehicle's handling characteristics.

Linear rate springs mean that as the spring compresses, the force it exerts increases proportionally. This predictable behavior is crucial for race cars and performance street vehicles, as it allows for consistent feedback and predictable weight transfer during cornering, braking, and acceleration. The well-built construction ensures they can handle the demands of spirited driving and track use.