What material are these exhaust valves made from?

These Manley Race Series exhaust valves are made from XH-426 stainless steel, chosen for its durability in high-RPM engine applications.

Are these valves suitable for street use?

Manley's Race Series valves are engineered for demanding racing conditions, operating under 8000 RPM. While durable, they are optimized for performance in bracket, drag, and oval track racing.

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 improve airflow into the cylinder, contributing to better combustion efficiency.

Specifications

Brand: Manley Performance
Part #: 11339-8
UPC: 807298043326

Manley 93-00 Honda Prelude 2.2L DOHC V-TEC 16 Valve 30.5mm Race Flo Exhaust Va

Name: Manley 93-00 Honda Prelude 2.2L DOHC V-TEC 16 Valve 30.5mm Race Flo Exhaust Va
Brand: Manley Performance
SKU: manley-performance-manley-93-00-honda-prelude-2-2l-dohc-v-tec-16-valve-30-5mm-ra-t14-236249
Price: 229.72 USD
Availability: BackOrder

$229.72

On Backorder

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

Fits 1993-2001 Honda Prelude. Manley Race Series exhaust valves are built for durability and improved airflow.

Key Features

Fits 1993-2001 Honda Prelude.
Constructed from durable stainless steel (XH-426 alloy).
Chrome stems and hard tips enhance longevity and wear resistance.
Swirl polished under-head areas and fully machined combustion faces optimize airflow.
Race Flo shape is designed for specific racing engine requirements.
Recommended for exhaust valves 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

Manley Performance is known for making well-built engine components for racing applications. If you're rebuilding the top end of your 1993-2001 Honda Prelude with the 2.2L DOHC VTEC engine, these Race Flo exhaust valves are a solid option. They are designed for engines running up to 8000 RPM, making them suitable for bracket, drag, and oval track racing.

These exhaust valves are constructed from stainless steel, specifically XH-426 alloy, for strong durability. They also feature chrome-plated stems and hard tips to resist wear over time. The under-head area is swirl polished and the combustion face is fully machined, which helps optimize airflow into the cylinder and improve combustion efficiency. Manley also recommends these valves for use in alcohol-fueled engines, noting their reliable performance in demanding conditions.