What is the purpose of a valve spring shim?

Valve spring shims are used to make small adjustments to the installed height of the valve spring. This ensures the spring is neither too compressed nor too loose, which is important for proper valve train operation and preventing premature wear.

What material are these shims made from?

The provided data does not specify the material of the valve spring shims. However, Manley Performance is known for producing durable engine components.

How much adjustment does a .015" shim provide?

A .015 inch shim will raise the installed height of the valve spring by exactly .015 inches. This allows for fine-tuning when the cylinder head or valve job results in a height slightly off from the desired specification.

Specifications

Brand: Manley Performance
Part #: 03231-50
UPC: 807298043036

Manley Valve Spring Shim, SHIMS-1.480 X .015

Name: Manley Valve Spring Shim, SHIMS-1.480 X .015
Brand: Manley Performance
SKU: manley-performance-manley-valve-spring-shim-shims-1-480-x-015-t14-880069
Price: 39.42 USD
Availability: BackOrder

$39.42

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Manley Performance valve spring shim. This .015" thick shim helps fine-tune valve spring installed height.

Key Features

Manley Performance valve spring shim.
Measures .015 inches thick.
Used to adjust valve spring installed height.
Helps ensure proper valve train geometry and spring tension.
Well-built component for engine builds.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Manley Performance is well-known for making strong internal engine components, and these valve spring shims are no different. If you're rebuilding an engine or doing some performance work on the cylinder head, getting the valve spring installed height just right is critical for proper valve train function and longevity. These shims are made to help you achieve that precise height.

This particular shim measures .015 inches thick. You'll use these to make very small adjustments to the installed height of your valve springs. Getting the installed height within spec ensures the spring is neither too compressed nor too loose, which can lead to valve float or excessive stress on the spring and retainer. They are a well-built piece from Manley, designed to handle the forces within the cylinder head.