What material are these exhaust valves made from?

These Manley Performance exhaust valves are constructed from premium stainless steel. They also feature chrome stems and hard tips to ensure exceptional durability under demanding conditions.

Are these valves a direct replacement for stock?

These valves are available in stock length or a .100 inch longer option. You should verify your specific engine's requirements to determine the best fit for your build.

What is the benefit of the swirl polished and machined face?

The swirl polished under head area and fully machined combustion face are designed to optimize airflow into the cylinder. This can help improve combustion efficiency for better engine performance.

Specifications

Brand: Manley Performance
Part #: 10577-8
UPC: 807298047072

Manley Small Block Chevrolet 1.500 Budget Performance Exhaust Valves

Name: Manley Small Block Chevrolet 1.500 Budget Performance Exhaust Valves
Brand: Manley Performance
SKU: manley-performance-manley-small-block-chevrolet-1-500-budget-performance-exhaust-t14-4316908
Price: 110.39 USD
Availability: BackOrder

$110.39

On Backorder

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

Manley Performance exhaust valves for Small Block Chevrolet. 1.500" size, stainless steel, chrome stems.

Key Features

Fits Small Block Chevrolet engines.
1.500 inch exhaust valve size.
Constructed from premium stainless steel for durability.
Features chrome stems and hard tips for increased wear resistance.
Underhead area is swirl polished and combustion face is fully machined to optimize airflow.
Available in stock length or .100" longer lengths.

⚠️ 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 their Performance Series valves are a popular choice for builders looking for reliable parts. These 1.500-inch exhaust valves are built for Small Block Chevrolet engines, designed to handle the heat and stress of performance applications.

They're made from a premium stainless steel that holds up well, and feature chrome stems and hard tips for extra durability. The area under the head is swirl polished, and the face is fully machined to help improve airflow into the cylinder. You can also choose between stock length or a .100-inch longer option to better suit your specific engine build.