What makes these valves 'Extreme Duty'?

The 'Extreme Duty' designation comes from the use of XH-432 XtremeAlloy material, chrome stems, and hard tips. These features are designed to withstand the extreme forces and high heat found in demanding racing and marine applications.

What is the benefit of swirl polished underhead areas and machined combustion faces?

These design elements are intended to improve airflow into the combustion chamber. Better airflow can lead to more efficient combustion and potentially improved engine performance, especially under load.

Are these valves sold individually or as a set?

The provided product information lists this as a single valve part number. For engine builds, you will need to purchase the appropriate quantity of valves for your specific Ford 2.3L EcoBoost engine.

Specifications

Brand: Manley Performance
Part #: 11199-8
UPC: 807298106076

Manley Ford 2.3L EcoBoost Exhaust 30.5mm Stainless Extreme Duty Valves

Name: Manley Ford 2.3L EcoBoost Exhaust 30.5mm Stainless Extreme Duty Valves
Brand: Manley Performance
SKU: manley-performance-manley-ford-2-3l-ecoboost-exhaust-30-5mm-stainless-extreme-du-t14-363838
Price: 596.60 USD
Availability: BackOrder

$596.60

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Manley Ford 2.3L EcoBoost Exhaust 30.5mm Stainless Extreme Duty Valves. Built for extreme heat and force.

Key Features

Fits Ford 2.3L EcoBoost engines.
Features a 30.5mm stainless steel construction.
Utilizes XH-432 XtremeAlloy material for extreme heat and force resistance.
Chrome stems and hard tips offer exceptional longevity and wear resistance.
Swirl polished underhead areas and fully machined combustion faces improve airflow and combustion efficiency.
Designed for specialized, high-demand applications.

⚠️ 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

These Manley Extreme Duty exhaust valves start with a 30.5mm stainless steel construction, a material chosen for its ability to handle the intense heat and pressure found in high-performance engines. While originally developed for demanding racing classes like Top Fuel and Funny Car, and also for heavy-duty marine applications, this specific valve is designed for the Ford 2.3L EcoBoost. It's a well-built component that addresses the need for durability when your engine is pushed to its limits.

The XH-432 XtremeAlloy material is a key feature, offering excellent resistance to the extreme forces and high temperatures that exhaust valves endure. To further enhance longevity and wear resistance, these valves are fitted with chrome stems and hard tips. You'll also find swirl polished underhead areas and fully machined combustion faces. These design choices aren't just for looks; they help improve airflow into the combustion chamber and contribute to more efficient combustion, which can make a noticeable difference in how your engine performs under load.

When you're rebuilding the top end of your Ford 2.3L EcoBoost and need components that can stand up to serious heat and stress, these Manley valves are a solid option. They represent a step up in material and design for applications that demand more than standard parts can offer. Make sure to check the manufacturer's installation instructions for proper fitting and any specific requirements for your engine build.