What material are these Manley intake valves made from?

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

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.

Are these valves suitable for high-RPM engines?

Yes, Manley's Race Series valves are engineered for engines operating under 8000 RPM. They are also specifically recommended for exhaust valves in alcohol engines, indicating their suitability for demanding conditions.

Specifications

Brand: Manley Performance
Part #: 11160-8
UPC: 807298044385

Manley 90-00 Mitsubishi Eclipse GS GST 2.0L (4G634G63T) DOHC 16 Intake 34.5mm Stainless Race Flo V

Name: Manley 90-00 Mitsubishi Eclipse GS GST 2.0L (4G634G63T) DOHC 16 Intake 34.5mm Stainless Race Flo V
Brand: Manley Performance
SKU: manley-performance-manley-90-00-mitsubishi-eclipse-gs-gst-2-0l-4g634g63t-dohc-16-t14-5560
Price: 229.72 USD
Availability: BackOrder

$229.72

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Fits 1993-1997 Eagle Talon. Manley Race Series intake valve, 34.5mm stainless steel construction for improved durability and airflow.

Key Features

Fits 1993-1997 Eagle Talon, 1995-1998 Mitsubishi Eclipse, 2003-2006 Mitsubishi Lancer, and 1990-1994 Plymouth Laser.
Intake valves feature a 34.5mm diameter.
Constructed from durable stainless steel for enhanced longevity.
Chrome stems and hard tips offer improved wear resistance.
Swirl polished under head areas and fully machined combustion faces optimize airflow.
Available in Race Master (straight stem) and Race Flo shapes to suit specific engine requirements.

⚠️ 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

Starting with a 34.5mm intake diameter, these Manley Race Series valves are built for serious performance. They're crafted from high-quality stainless steel, which is a solid choice for engines that see a lot of action, especially those running alcohol fuels. The chrome stems and hard tips add to their longevity, meaning they can handle the wear and tear of frequent use and higher engine speeds.

Manley didn't just stop at the material; these valves are also swirl polished under the head and fully machined on the combustion face. This attention to detail helps optimize airflow into the cylinder and can contribute to more efficient combustion. You can choose between Race Master (straight stem) and Race Flo shapes, depending on what your specific engine build needs. These are a well-built option for anyone rebuilding the top end of their 4G63 or 4G63T engine, aiming for reliable performance above 8000 RPM.