What material are these Manley intake valves made from?

These intake valves are constructed from stainless steel, which offers good durability. They also feature chrome stems and hard tips for added wear resistance and longevity.

What is the difference between Race Master and Race Flo valves?

The Race Master valves feature a straight stem, while the Race Flo valves have a different shape. The choice between them depends on the specific requirements of your racing engine's design.

Are these valves suitable for street use or only racing?

Manley's Race Series valves are 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, they are primarily built for racing environments.

Specifications

Brand: Manley Performance
Part #: 11616-8
UPC: 807298000831

Manley Ford 4.6L DOHC (4 Valve) Triple Groove 37mm Race Master Intake Valves

Name: Manley Ford 4.6L DOHC (4 Valve) Triple Groove 37mm Race Master Intake Valves
Brand: Manley Performance
SKU: manley-performance-manley-ford-4-6l-dohc-4-valve-triple-groove-37mm-race-master--t14-305116
Price: 235.06 USD
Availability: InStock

$235.06

Only 1 left in stock

Fits 1999-2008 Ford Mustang. Manley Race Master intake valves are built for performance engines.

Key Features

Fits 1999-2001 and 2007-2008 Ford Mustang, and 2005-2006 Ford GT.
Intake valves 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 and combustion efficiency.
Race Master (straight stem) design is suitable for specific racing engine requirements.
Recommended for use in alcohol engines, particularly for exhaust applications, ensuring reliable performance.

⚠️ 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. If you're rebuilding the top end of your 1999-2008 Ford Mustang's 4.6L DOHC 4-valve engine, these Race Master intake valves are a solid option to consider. They are designed for engines that will see regular use above stock RPM levels, up to around 8000 RPM.

These intake valves are made from stainless steel, which is a good choice for durability. They also feature chrome stems and hard tips to help them last longer and resist wear, especially in high-stress situations. The under-head area is swirl polished to help smooth airflow into the cylinder, and the combustion face is fully machined to help with efficiency. The Race Master design has a straight stem, which is one of the shapes Manley offers to suit different engine builds.

Because these are performance-oriented valves, it's always a good idea to consult your engine builder or a trusted mechanic to ensure they are the right fit for your specific build and intended use. They are a well-built component from a reputable brand in the performance engine parts world.