What material are these Manley valves made from?

These Manley Race Master Series intake valves are constructed from high-quality stainless steel. This material is chosen for its durability and ability to withstand the high temperatures and stresses found in performance engines.

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

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

Are these valves suitable for alcohol-fueled engines?

While these are intake valves, Manley recommends their specific exhaust valves (XH-426) for alcohol engines due to their reliable performance in demanding conditions. These intake valves are designed for general racing applications up to 8000 RPM.

Specifications

Brand: Manley Performance
Part #: 11726-8
UPC: 807298005041

Manley Race Master Series Big Block Chevy Stainless Steel 2.30in Intake Valves - Set of 8

Name: Manley Race Master Series Big Block Chevy Stainless Steel 2.30in Intake Valves - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-race-master-series-big-block-chevy-stainless-steel-2-3-t14-4375014
Price: 218.97 USD
Availability: BackOrder

$218.97

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Manley Race Master Series Big Block Chevy Stainless Steel 2.30in Intake Valves - Set of 8. These well-built valves are designed for high-RPM performance.

Key Features

You get a set of 8 intake valves.
Each valve has a 2.30 inch diameter.
Constructed from stainless steel for durability.
Features chrome stems and hard tips for improved wear resistance.
Swirl polished under-head areas and fully machined combustion faces optimize airflow.
Designed for Big Block Chevy engines operating under 8000 RPM.

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About this part

Product Details

You're getting a set of eight Manley Race Master Series intake valves, each measuring 2.30 inches. These are specifically made for Big Block Chevy engines and are constructed from durable stainless steel, designed to handle the demands of racing applications up to 8000 RPM.

Manley builds these valves with chrome stems and hard tips, which adds to their longevity and resistance to wear. 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. They also offer a straight stem option, known as Race Master, which is a popular choice for many racing setups.

If you're rebuilding the top end of a performance Big Block Chevy and need intake valves that can keep up with aggressive use, this set from Manley is a solid option.