What material are these Manley valves made from?

These Manley Race Flo intake valves are constructed from stainless steel. This material is chosen for its durability in high-performance engine applications.

What are the benefits of the chrome stems and swirl polished areas?

The chrome stems and hard tips are incorporated to enhance longevity and resist wear. The swirl polished under-head areas are designed to optimize airflow into the combustion chamber.

Are these valves suitable for all types of engines?

These specific valves are designed for Big Block Chevy engines and are recommended for racing applications up to 8000 RPM. They are also noted as a recommended choice for exhaust valves in alcohol-fueled engines.

Specifications

Brand: Manley Performance
Part #: 11514-8
UPC: 807298049328

Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8)

Name: Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8)
Brand: Manley Performance
SKU: manley-performance-manley-big-block-chevy-stock-3-8in-stem-diameter-race-flo-int-t14-281350
Price: 218.97 USD
Availability: BackOrder

$218.97

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Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8). These stainless steel valves are built for high-performance engines.

Key Features

This set includes eight Manley Race Flo intake valves.
Each valve has a stock 3/8-inch stem diameter.
Constructed from durable stainless steel for longevity.
Chrome stems and hard tips offer improved wear resistance.
Swirl polished under-head areas and fully machined combustion faces help optimize airflow and combustion efficiency.
Designed for Big Block Chevy engines operating under 8000 RPM.

⚠️ 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

In this set, you get eight Manley Race Flo intake valves, each with a stock 3/8-inch stem diameter. These are designed for Big Block Chevy engines, specifically for racers who push their engines up to around 8000 RPM, whether that's on the drag strip, oval track, or in bracket racing.

Manley builds these valves from stainless steel, which is a solid choice for durability under demanding conditions. They feature chrome-plated stems and hardened tips to resist wear, and the under-head areas are swirl polished to help improve airflow. The combustion faces are also fully machined, which further aids in optimizing how air and fuel mix and burn.

These Race Flo valves are a popular choice for performance builds. If you're working on a Big Block Chevy that sees a lot of action, these valves are well-made and ready to perform.