What material are these Manley valves made from?

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

What is the purpose of the swirl polished under-head areas and machined combustion faces?

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

Are these valves suitable for all types of engines?

These valves are specifically designed for racing applications, including bracket, drag, and oval track racing, and are recommended for engines operating under 8000 RPM. They are also noted as a recommended choice for exhaust valves in alcohol engines.

Specifications

Brand: Manley Performance
Part #: 12330B-8
UPC: 807298079264

Manley Chrysler Hemi 6.4L (2.140) Race Flo Intake Valve (Set of 8)

Name: Manley Chrysler Hemi 6.4L (2.140) Race Flo Intake Valve (Set of 8)
Brand: Manley Performance
SKU: manley-performance-manley-chrysler-hemi-6-4l-2-140-race-flo-intake-valve-set-of--t14-97651
Price: 235.06 USD
Availability: BackOrder

$235.06

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Manley Chrysler Hemi 6.4L (2.140) Race Flo Intake Valve (Set of 8). Stainless steel construction for durability.

Key Features

Set includes 8 Manley Race Flo intake valves.
Designed for Chrysler Hemi 6.4L engines.
Each valve has a 2.140 inch diameter.
Constructed from durable stainless steel.
Features chrome stems and hard tips for enhanced wear resistance.
Swirl polished under-head areas and fully machined combustion faces optimize airflow.

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About this part

Product Details

This set includes eight Manley Race Flo intake valves, each measuring 2.140 inches in diameter, specifically for Chrysler Hemi 6.4L engines. These valves are built for demanding racing applications, operating reliably under 8000 RPM.

Constructed from high-quality stainless steel, these valves are designed for durability. They feature chrome stems and hard tips to improve wear resistance and longevity. The under-head areas are swirl polished and the combustion faces are fully machined, which helps optimize airflow and combustion efficiency. The Race Flo shape is a specific design choice for certain racing engine configurations.

These valves are a solid option for bracket, drag, and oval track racers looking for well-built components for their Hemi engines.