What material are these Manley intake valves made from?

These 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 within an engine's combustion chamber.

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 improve airflow into the cylinder. This can lead to more efficient combustion and potentially better engine performance.

Are these valves suitable for all engine types?

These Race Series valves are recommended for engines operating under 8000 RPM and are specifically noted as a good choice for exhaust valves in alcohol engines. They are designed to meet the demands of racing applications.

Specifications

Brand: Manley Performance
Part #: 11126-12
UPC: 807298056296

Manley 94-98 Toyota Supra 3.0L I/L 6cyl (2JZGE-2JZGTE) DOHC 24 Intake 34.6mm Stainless Race Master

Name: Manley 94-98 Toyota Supra 3.0L I/L 6cyl (2JZGE-2JZGTE) DOHC 24 Intake 34.6mm Stainless Race Master
Brand: Manley Performance
SKU: manley-performance-manley-94-98-toyota-supra-3-0l-i-l-6cyl-2jzge-2jzgte-dohc-24--t14-5538
Price: 344.59 USD
Availability: BackOrder

$344.59

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Fits 1993-2005 Lexus GS300. Manley stainless steel intake valves for improved airflow and durability.

Key Features

Fits 1993-2005 Lexus GS300, 2001-2005 Lexus IS300, 1992-2000 Lexus SC300, and 1993-1998 Toyota Supra.
This product includes one intake valve.
Constructed from durable stainless steel for long-lasting performance.
Features chrome stems and hard tips to improve wear resistance and longevity.
Swirl-polished under-head areas and fully machined combustion faces help optimize airflow.
Race Master straight stem design is suitable for engines operating under 8000 RPM.

⚠️ 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

When you're rebuilding the top end of your 1993-2005 Lexus GS300, 2001-2005 Lexus IS300, 1992-2000 Lexus SC300, or 1993-1998 Toyota Supra, you're getting a set of Manley Race Series intake valves. These are the Race Master straight stem style, measuring 34.6mm, and they're built from stainless steel to handle the heat and stress inside your engine.

Manley makes these valves with chrome stems and hard tips to resist wear, which is important for keeping them sealing properly over time. The under-head area is swirl-polished and the combustion face is machined to help air move smoothly into the cylinder, aiding in better combustion. They're a solid option for engines running up to 8000 RPM, and they're even recommended for exhaust valves in alcohol-fueled engines, showing how well they hold up under tough conditions.