What material are these Manley exhaust valves made from?

These Manley Race Flo exhaust valves are constructed from stainless steel. They also feature chrome stems and hard tips for added durability and wear resistance.

Are these valves suitable for all engine types?

These valves are specifically recommended for engines operating under 8000 RPM, and are particularly recommended for exhaust valves in alcohol engines. They are designed for performance applications like bracket, drag, and oval track racing.

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 help improve combustion efficiency and overall engine performance.

Specifications

Brand: Manley Performance
Part #: 11394-8
UPC: 807298055770

Manley 93-00 Honda Prelude DOHC V-TEC 16 Valve 35.0mm Race Flo Exhaust Valves (Set of 8)

Name: Manley 93-00 Honda Prelude DOHC V-TEC 16 Valve 35.0mm Race Flo Exhaust Valves (Set of 8)
Brand: Manley Performance
SKU: manley-performance-manley-93-00-honda-prelude-dohc-v-tec-16-valve-35-0mm-race-fl-t14-251487
Price: 229.72 USD
Availability: BackOrder

$229.72

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Fits 1993-2001 Honda Prelude. Manley Race Flo exhaust valves (set of 8) are made from stainless steel for improved durability in high-RPM engines.

Key Features

Fits 1993-2001 Honda Prelude.
Set of 8 Manley Race Flo exhaust valves.
Constructed from stainless steel for durability.
Chrome stems and hard tips enhance wear resistance.
Swirl polished under-head areas and machined combustion faces optimize airflow.
Recommended for use in alcohol engines.

⚠️ 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

If you're rebuilding the top end of your 1993-2001 Honda Prelude with the DOHC V-TEC engine, these Manley Race Flo exhaust valves are a solid option. They're designed for engines that see a lot of action, typically running up to 8000 RPM, making them a good choice for bracket, drag, or oval track racing applications.

These valves are built from stainless steel, which is a strong material that holds up well over time. The stems are chrome-plated and the tips are hardened to resist wear, especially important in engines that are frequently at higher RPMs. Manley also swirl polishes the under-head area and fully machines the combustion face. This helps improve airflow into the cylinder and can contribute to more efficient combustion. The Race Flo shape is a specific design choice for optimizing flow in certain engine builds.

This set includes eight exhaust valves, which is what you'll need for a complete engine rebuild on your Prelude. They are also recommended for use in alcohol-fueled engines, where they offer reliable performance.