MANLEY 11519-8 Severe Exhaust Valves Big Block 807298049427 1.725 3/8

( Brand: Manley ), ( Manufacturer Part Number: 11519-8 ), ( Part Type: Valve Exhaust Block ), ( UPC: 807298049427 )

Review MANLEY Severe Duty Exhaust Valves Big Block Chevy 1.725 Diameter 3/8

The Manley 11519-8 Severe Duty Exhaust Valves are a high-performance upgrade for big block Chevrolet engines. These valves are specifically designed for high RPM applications and extreme exhaust gas temperatures, making them an excellent choice for racing or high-performance use.

These valves feature a 1.725-inch intake and 3/8-inch exhaust diameter, which provides ample flow capacity for high-horsepower applications. The valves are made from heat-treated, nickel-chromium alloy steel, which offers superior strength and durability. The stems are made from stainless steel to resist corrosion and wear.

The Manley Severe Duty Exhaust Valves also feature a unique design that includes a reinforced seat area and a self-aligning, floating valve head. These features help to reduce the risk of valve seat recession and ensure that the valves remain aligned properly, even under the most demanding conditions.

The valves are also designed to work with standard valve springs, making them a straightforward upgrade for many big block Chevrolet engines. However, it's important to note that installation may require some modifications to the engine's exhaust system to accommodate the larger diameter exhaust valves.

In summary, the Manley 11519-8 Severe Duty Exhaust Valves are a high-quality, high-performance upgrade for big block Chevrolet engines. They offer superior strength, durability, and flow capacity, making them an excellent choice for high-RPM applications and extreme exhaust gas temperatures. With their reinforced seat area, self-aligning valve head, and compatibility with standard valve springs, these valves are a reliable and effective way to improve the performance of your big block Chevrolet engine.

Manley 11519-8 Severe Duty Exhaust Valves for Big Block Chevy 1.725 in. 3/8 Thrust are known for their durability and high performance in racing applications. Here are some pros and cons of buying these exhaust valves:

1. Enhanced Durability: Manley Severe Duty Exhaust Valves are designed to withstand extreme conditions, making them an excellent choice for high-performance applications.

2. Improved Airflow: These valves allow for improved exhaust gas flow, resulting in increased power and better engine performance.

3. Precision-Machined: Each valve is machined to tight tolerances to ensure a perfect fit and optimal sealing.

4. High-Quality Material: Manley uses high-quality materials for these valves, including stainless steel valve stems and head, and sodium-filled valve heads.

5. Race-Proven: These valves have a proven track record in racing applications, with numerous victories and records to their name.

1. Expensive: Manley Severe Duty Exhaust Valves are more expensive than stock OEM valves.

2. Not Suitable for Street Use: These valves are designed for racing applications and may not be suitable for everyday driving.

3. Installation Requires Expertise: Installing these valves requires specialized tools and knowledge, making it a more complex and time-consuming process than installing stock valves.

Manley 11519-8 Severe Duty Exhaust Valves for Big Block Chevy are an excellent investment for those seeking high-performance and durability. However, they come with a higher price tag and require specialized knowledge and tools for installation. These valves are best suited for racing applications and may not be necessary for everyday driving.

If you are building a high-performance Big Block Chevy engine for racing applications, Manley 11519-8 Severe Duty Exhaust Valves are an excellent choice. However, if you are looking for a more cost-effective solution for your daily driver, consider purchasing stock OEM valves.

Details:

American Express.

part #: 115198 prices

• $199.95-$301.07

specifications voomvalve:

• for makes: Chevy
• brand: Manley
• mpn: 11519-8
• part type: Valve Exhaust Block
• upc: 807298049427

seller voomvalve:

• rating: 97.8%
• city: , Ohio
• # reviews: 595665

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• type: Fixed
• cost: $0.00
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• class: Standard

general voomvalve:

• Engines Engine Parts > Valvetrain Components > Valves
• condition: New

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offer voomvalve:

• quantity: 2
• started: July 21, 2025
• availability: In Stock
• options: Ship-to-home
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• policy: Returns Accepted

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