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 enhanced durability and wear resistance.

What is the purpose of the swirl polished and fully machined features?

The swirl polished under-head areas and fully machined combustion faces are designed to optimize airflow into the engine's combustion chamber. This helps improve combustion efficiency and overall engine performance.

Are these valves suitable for a street-driven vehicle or only race cars?

Manley's Race Series valves are engineered for rigorous demands of racing, including bracket, drag, and oval track applications, operating under 8000 RPM. While they can be used in performance street applications, their design is focused on high-stress environments.

Specifications

Brand: Manley Performance
Part #: 11350-8
UPC: 807298048758

Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 2.100 Head Diameter Race Flo Intake Valves

Name: Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 2.100 Head Diameter Race Flo Intake Valves
Brand: Manley Performance
SKU: manley-performance-manley-small-block-chevy-ls-1-ls-2-ls-6-head-2-100-head-diame-t14-274388
Price: 218.97 USD
Availability: BackOrder

$218.97

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Fits 1997-2004 Chevrolet Corvette. Manley Race Flo intake valves improve airflow with a 2.100" head diameter.

Key Features

Fits 1997-2004 Chevrolet Corvette, 1998-2002 Chevrolet Camaro, 1998-2002 Pontiac Firebird, 2004 Pontiac GTO, and 2004-2005 Cadillac CTS.
Constructed from durable stainless steel for longevity in high-performance engines.
Features chrome stems and hard tips to improve wear resistance and extend service life.
Swirl polished under-head areas and fully machined combustion faces help optimize airflow.
Race Flo shape with a 2.100-inch head diameter is designed for improved intake efficiency.
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

Manley Performance is well-known for making strong engine components for racing applications. If you're rebuilding the top end of your Small Block Chevy LS-1, LS-2, or LS-6 head engine, these Race Flo intake valves are a solid choice. They're built from stainless steel, which is a tough material that holds up well under the heat and stress of performance engines. The chrome stems and hard tips add extra durability, helping them resist wear over time, especially in engines that see a lot of use.

These valves feature a 2.100-inch head diameter and a Race Flo shape, designed to help optimize airflow into the combustion chamber. The under-head areas are swirl polished and the combustion faces are fully machined, which helps smooth out the path for air and fuel mixture. This attention to detail can make a difference in how efficiently your engine breathes, especially in applications running up to 8000 RPM. They're also recommended for alcohol-fueled engines, indicating their robust construction for demanding conditions.

When installing these valves, remember they are designed for specific LS engine heads. Make sure to check your engine's specifications to confirm compatibility with the 2.100-inch head diameter and the .3133-inch stem diameter. Proper installation is key to getting the most out of these well-made components.