What material are these Manley intake valves made from?

These Manley Race Master intake valves are constructed from stainless steel. They also feature chrome stems and hard tips to enhance their longevity and wear resistance.

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

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

Are these valves suitable for all types of racing engines?

These valves are part of Manley's Race Series, engineered for demanding applications like bracket, drag, and oval track racing, operating under 8000 RPM. They are also recommended for alcohol engines, particularly for exhaust applications.

Specifications

Brand: Manley Performance
Part #: 11874-8
UPC: 807298054537

Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8)

Name: Manley Ford 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8)
Brand: Manley Performance
SKU: manley-performance-manley-ford-429-460-ford-351c-2-250-dia-race-master-intake-va-t14-124279
Price: 218.97 USD
Availability: BackOrder

$218.97

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Manley Ford 429-460 / Ford 351C 2.250" Dia Race Master Intake Valves (Set of 8). Stainless steel construction for durability.

Key Features

Fits Ford 429-460 and Ford 351 Cleveland engines.
Set includes 8 intake valves.
Valves are 2.250 inches in diameter.
Constructed from stainless steel for durability.
Features chrome stems and hard tips for wear resistance.
Swirl polished under head areas and fully machined combustion faces help optimize airflow.

These valves are designed for Ford 429-460 and Ford 351 Cleveland engines. Please verify compatibility with your specific cylinder head application.

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About this part

Product Details

If you're rebuilding the top end of a Ford 429-460 or 351 Cleveland engine, these Manley Race Master intake valves are a solid option. They're designed for performance applications, especially those running up to around 8000 RPM, making them suitable for bracket, drag, or oval track racing. You get a set of eight valves, ready to go into your cylinder heads.

These valves are made from stainless steel, which is a good choice for durability and resisting heat. The stems are chrome-plated and have hard tips, adding to their wear resistance over time. Manley also swirl polishes the area under the head and fully machines the combustion face. This helps improve airflow into the cylinder, which can make a difference in how efficiently your engine burns fuel.

You'll want to make sure these fit your specific cylinder head port size, as they have a 2.250 inch diameter. Manley also offers these in different shapes, but this is the Race Master straight stem version. They're also recommended for use in alcohol-fueled engines, particularly for the exhaust side, though these are intake valves.