MANLEY 11599-8 Nos Severe Exhaust Valves 1.687

( Brand: Manley ), ( Manufacturer Part Number: 11599-8 ), ( Type: Exhaust Valve ), ( Material: Steel ), ( Finish: Fully Machined )

Review MANLEY Nos New Chevy 1.687 Inch Severe Duty Exhaust Valves fits SB

Introducing the Manley 11599-8 Severe Duty Exhaust Valves, an essential upgrade for your Chevy engine. These valves are specifically designed for high-performance applications and demanding racing conditions.

The Manley Severe Duty Exhaust Valves are made from high-strength stainless steel, ensuring superior durability and resistance to thermal shock and fatigue. Each valve undergoes a meticulous manufacturing process, including precision machining and rigorous quality inspections, to ensure optimal performance and reliability.

These exhaust valves feature a larger than standard valve seat area, which provides improved sealing and reduces the risk of exhaust gases leaking into the cylinder head. This can result in increased horsepower and torque, as well as improved engine efficiency.

The Manley Severe Duty Exhaust Valves also incorporate a unique design that includes a thicker valve stem and reinforced valve guides. This enhances the valve's ability to withstand the extreme temperatures and pressures encountered in high-performance applications.

Furthermore, these exhaust valves are designed to work in conjunction with Manley's High Performance Exhaust Valve Springs, which provide optimal spring pressure and help maintain proper valve clearance under high RPM conditions.

These Manley Severe Duty Exhaust Valves are suitable for use in applications where the standard exhaust valves may not be able to withstand the demands placed on them, such as in racing or high-performance engines. By upgrading to these high-quality exhaust valves, you can expect improved engine performance, increased power and torque, and enhanced reliability.

In summary, the Manley 11599-8 Severe Duty Exhaust Valves are a must-have upgrade for any Chevy engine that requires superior durability, performance, and reliability. With their high-strength stainless steel construction, larger valve seat area, thicker valve stem, and reinforced valve guides, these exhaust valves are designed to withstand the rigors of high-performance applications and deliver impressive results.

Manley 11599-8 NOS SB Chevy 1.687 Severe Exhaust Valves are aftermarket replacement parts for Chevy engines. These valves are designed to provide improved performance and durability compared to original equipment manufacturer (OEM) valves. Here are some pros and cons of buying these Manley valves:

1. Enhanced Performance: Manley severe exhaust valves are made from high-quality materials and have a larger diameter compared to OEM valves. This leads to improved flow rate and better performance.

2. Increased Durability: Manley valves are designed to withstand high temperatures and extreme conditions. They are made from forged steel and have a longer lifespan compared to OEM valves.

3. Improved Gas Flow: The larger diameter of Manley valves allows for improved gas flow, resulting in better combustion and increased power output.

1. Cost: Manley valves are more expensive than OEM valves. This may be a deterrent for some buyers who are looking for a cost-effective solution.

2. Installation Complexity: Installing aftermarket valves can be more complex than installing OEM valves. It may require additional tools and expertise.

3. Potential Compatibility Issues: Manley valves may not be compatible with all Chevy engines. It is important to ensure that the valves are compatible with your specific engine model before making a purchase.

Manley 11599-8 NOS SB Chevy 1.687 Severe Exhaust Valves offer several advantages over OEM valves, including enhanced performance, increased durability, and improved gas flow. However, they come with a higher price tag and may require more complex installation. It is important to consider these factors and ensure compatibility before making a purchase.

If you are looking for high-performance exhaust valves for your Chevy engine and are willing to pay a premium, Manley 11599-8 NOS SB Chevy 1.687 Severe Exhaust Valves are a good option to consider. However, if you are looking for a cost-effective solution, OEM valves may be a better choice. It is important to weigh the pros and cons carefully and make an informed decision based on your specific needs and budget.

Details:

Closeout - CLEARING SHELVES 40% Discount Set of 8 NEW Bulk pack new old stock Manley 11599 SB Chevy Severe Duty Stainless Steel Exhaust Valves. 1.687 head diameter, 11/32 stem standard length 4.921.250 tip.

part #: 115998 prices

• $199.95-$636.63

specifications voomvalve:

• for models: Sb
• for makes: Chevy
• brand: Manley
• mpn: 11599-8
• type: Exhaust Valve
• material: Steel
• finish: Fully Machined

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• class: Economy
• transit: 5-11 Days
• service: Economy
• cost: $0.00
• type: Fixed

offer voomvalve:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: November 7, 2025
• availability: In Stock

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• rating: 100.0%
• # reviews: 913
• city: Battle Creek, Michigan

general voomvalve:

• Engines Engine Parts > Valvetrain Components > Valves
• condition: New other see details

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