What material are these Manley valves made from?

These Manley Race Master intake valves are constructed from high-quality stainless steel. They also feature chrome-plated stems and hard tips for added durability and wear resistance.

What is the purpose of the swirl polished and machined faces?

The swirl polished under-head areas and fully machined combustion faces are designed to help optimize airflow into the cylinder. This can contribute to improved combustion efficiency in your engine.

Are these valves suitable for any engine build?

These valves are specifically designed for Big Block Chevy engines operating under 8000 RPM, making them a solid choice for bracket, drag, and oval track racing applications. They are also recommended for alcohol engines.

Specifications

Brand: Manley Performance
Part #: 11719-8
UPC: 807298004150

Manley Big Block Chevy 1.880 Dia (+.100 L) Race Master Intake Valves (Set of 8)

Name: Manley Big Block Chevy 1.880 Dia (+.100 L) Race Master Intake Valves (Set of 8)
Brand: Manley Performance
SKU: manley-performance-manley-big-block-chevy-1-880-dia-100-l-race-master-intake-val-t14-426681
Price: 218.97 USD
Availability: BackOrder

$218.97

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Manley Big Block Chevy 1.880 Dia (+.100 L) Race Master Intake Valves (Set of 8). Built for high-performance engines under 8000 RPM.

Key Features

Fits Big Block Chevy engines.
Set includes 8 intake valves.
Valves are 1.880 inches in diameter and +.100 inches longer than stock.
Constructed from stainless steel for durability.
Chrome stems and hard tips enhance longevity and wear resistance.
Swirl polished under-head areas and fully machined combustion faces optimize airflow.

These valves are designed for Big Block Chevy engines. Please verify compatibility with your specific engine build and cylinder heads.

⚠️ 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 engine components for racing applications. These Race Master intake valves are a prime example, designed specifically for Big Block Chevy engines that see serious use, like in bracket, drag, or oval track racing, as long as they're staying under 8000 RPM.

These valves are made from stainless steel, which is a solid choice for durability. They have chrome-plated stems and hard tips to help them last longer and resist wear, especially in demanding conditions. The under-head areas are swirl polished and the combustion faces are fully machined. This design helps improve airflow into the cylinder and can contribute to better combustion efficiency. This set includes eight intake valves, each measuring 1.880 inches in diameter and being +.100 inches longer than stock, which can be useful for certain cylinder head setups.

If you're rebuilding the top end of your Big Block Chevy and need reliable intake valves for an engine that will be pushed hard, these are a well-built option from a reputable brand.