What material are these Manley intake valves made from?

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

What is the purpose of the swirl polished and fully machined features?

The swirl polished under-head areas and fully machined combustion faces are designed to optimize airflow into the combustion chamber. This can contribute to improved combustion efficiency and overall engine performance.

Are these valves suitable for street use or only racing?

These valves are part of Manley's Race Series, meticulously engineered for the rigorous demands of bracket, drag, and oval track racers operating under 8000 RPM. While they can be used in performance street applications, their design is optimized for racing conditions.

Specifications

Brand: Manley Performance
Part #: 11622B-8
UPC: 807298073392

Manley Ford Coyote 5.0L DOHC 4 Valve 37mm Triple Groove Race Master Intake Valves w/ BLKG (Set of 8)

Name: Manley Ford Coyote 5.0L DOHC 4 Valve 37mm Triple Groove Race Master Intake Valves w/ BLKG (Set of 8)
Brand: Manley Performance
SKU: manley-performance-manley-ford-coyote-5-0l-dohc-4-valve-37mm-triple-groove-race--t14-488504
Price: 235.06 USD
Availability: BackOrder

$235.06

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Manley Performance Race Master Intake Valves for Ford Coyote 5.0L DOHC 4V engines. Set of 8, 37mm, triple groove, BLKG.

Key Features

This product includes a set of eight Manley Race Master intake valves.
Each valve measures 37mm and features a triple groove design with a BLKG finish.
Constructed from high-quality stainless steel for durability.
Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
The valves feature swirl polished under-head areas and fully machined combustion faces to optimize airflow.
Race Master design utilizes a straight stem, suitable for specific racing engine requirements.

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About this part

Product Details

This set includes eight Manley Race Master intake valves, each measuring 37mm with a triple groove design and BLKG finish. These valves are built for Ford Coyote 5.0L DOHC 4-valve engines, specifically designed for racing applications that operate under 8000 RPM. They are a solid choice for bracket, drag, and oval track racers looking for improved airflow and durability in their engine's top end.

Constructed from high-quality stainless steel, these valves are made to last. They feature chrome stems and hard tips, which add to their longevity and resistance to wear. The under-head areas are swirl polished, and the combustion faces are fully machined. This attention to detail helps optimize airflow into the combustion chamber, contributing to better engine efficiency. The Race Master design features a straight stem, which is one of the shape options Manley offers to suit different racing engine setups.

If you're rebuilding the top end of your Coyote engine for racing, these Manley valves are a well-built component to consider. They are also recommended for use in alcohol-fueled engines, particularly for exhaust applications, though this set is for intake valves. Ensure you have the correct tools and procedures for installing performance valves to get the most out of them.