MANLEY 11749-1 Engine Exhaust Valve 807298051956

( Brand: Manley ), ( Manufacturer Part Number: 11749-1 ), ( Type: Exhaust ), ( Features: Ul Li Proven Fatigue Tests, Valves Experience 20, 000 To 25, 000 Lbs Of Applied Stress. When Valves Bounce On The Seat, This Stress Soars To 40, 000 To 60, 000 Lbs. Manley Exhaust Valves, Tested At 40, 000 Psi And 1400 F, Impressively Endured Up To 100, 000 ), ( 000: One Hundred Million Cycles. In Contrast, Competitors Offerings Failed After Just 100, 000 Cycles, Showcasing A Staggering 1000 Times Better Fatigue Life. /li Li, Nk-844, Is Equally Unmatched, Displaying Over Four Times The Ultimate Tensile Strength Of The C ), ( UPC: 807298051956 )

Review MANLEY Engine Exhaust Valve

The Manley 11749-1 Engine Exhaust Valve is a high-performance aftermarket exhaust valve designed to deliver superior durability and reliability for racing and high-performance applications. This valve is manufactured using Manley's proprietary nickel-chromium alloy, which provides excellent strength and resistance to wear and corrosion.

The Manley 11749-1 Exhaust Valve features a thick, reinforced stem that ensures a secure fit in the head and provides enhanced durability against the rigors of racing use. The valve seat is precision-machined to ensure a perfect seal and minimize exhaust gas leakage, while the stem and seat are both treated with Manley's exclusive valve seat coating for maximum durability and longevity.

This exhaust valve also includes a unique, fully-machined stem seal that eliminates the need for a separate gasket and provides a positive seal against the head, reducing the likelihood of leakage and improving engine performance. The valve also includes a stem-mounted retainer, which provides improved retention and reduces the risk of valve float or bounce.

The Manley 11749-1 Exhaust Valve is available in various sizes to fit a range of engines and applications, and it is designed to meet or exceed OEM specifications for lift, duration, and other critical performance characteristics. This valve is an excellent choice for racers, hot rodders, and other high-performance enthusiasts who demand the very best in terms of durability, reliability, and performance.

Manley's commitment to quality and precision manufacturing is evident in every aspect of this exhaust valve, from its high-strength alloy construction to its precision-machined components and advanced valve seat coating. Whether you're building a high-performance race engine or looking to upgrade your existing exhaust system, the Manley 11749-1 Engine Exhaust Valve is an ideal choice that is sure to deliver the results you're looking for.

Manley 11749-1 is a high-performance engine exhaust valve designed for racing and high-performance applications. Here are some pros and cons of buying this valve:

1. High-performance design: The Manley 11749-1 exhaust valve is engineered for high-performance applications, making it suitable for racing engines.

2. Durability: Manley is known for manufacturing high-quality racing components, and this exhaust valve is no exception. It is made from durable materials that can withstand the extreme conditions of racing.

3. Improved performance: Replacing worn-out or stock exhaust valves with high-performance ones like the Manley 11749-1 can improve engine performance by increasing flow and reducing restrictions.

4. Customizable: This exhaust valve is available in various sizes and configurations to fit different engine applications.

1. Expensive: The Manley 11749-1 exhaust valve is a premium high-performance part, and it comes with a premium price tag.

2. Not suitable for all applications: This exhaust valve is designed for racing and high-performance applications. It may not be necessary for most street vehicles.

3. Installation: Installing high-performance exhaust valves requires expertise and specialized tools. It is recommended to have the valves installed by a professional.

The Manley 11749-1 engine exhaust valve is a high-performance component designed for racing and high-performance applications. It offers improved durability, performance, and customizability. However, it comes with a premium price tag and may not be necessary for all applications. It is recommended to have the valves installed by a professional.

If you are building a racing engine or a high-performance street vehicle, the Manley 11749-1 engine exhaust valve is an excellent choice. Its high-performance design, durability, and customizability make it a top pick for serious enthusiasts. However, if you are working on a budget or have a stock engine, you may want to consider other options.

Details:

Designed for High Temperature Gasoline Engines: Engineered superior performance in high-temperature gasoline engines. Valves have undergone rigorous fatigue tests. Head Style: Dish. Color: Natural.

Proven Fatigue Tests: The Severe Duty. Type: Exhaust. Chrome Stems and Hard Tips: Incorporating chrome stems hard tips for enhanced durability longevity. Valve length in: 5.065 in.

Optimized Combustion: Swirl polished under head areas and fully machined combustion faces for improved airflow efficiency. Valve Head Diameter in: 1.600 in. Finish: Swirl Polish. Manley 11749-1 - Engine Exhaust Valve.

Material: Stainless. Their product line-up includes valve train components, pistons, rings, connecting rods, and crank shafts for everything from late model V8s to sport compacts.Product Line: Severe Duty. Quantity: Each..

part #: 117491 price

• $44.32

specifications voomvalve:

• brand: Manley
• mpn: 11749-1
• type: Exhaust
• features: Ul Li Proven Fatigue Tests, Valves Experience 20, 000 To 25, 000 Lbs Of Applied Stress. When Valves Bounce On The Seat, This Stress Soars To 40, 000 To 60, 000 Lbs. Manley Exhaust Valves, Tested At 40, 000 Psi And 1400 F, Impressively Endured Up To 100, 000
• 000: One Hundred Million Cycles. In Contrast, Competitors Offerings Failed After Just 100, 000 Cycles, Showcasing A Staggering 1000 Times Better Fatigue Life. /li Li, Nk-844, Is Equally Unmatched, Displaying Over Four Times The Ultimate Tensile Strength Of The C
• upc: 807298051956

general voomvalve:

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

shipping voomvalve:

• cost: $0.00
• service: Standard
• transit: 3-5 Days
• type: Fixed
• class: Standard

returns voomvalve:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

seller voomvalve:

• # reviews: 45189
• city: Saint Paul, Minnesota
• rating: 96.9%

offer voomvalve:

• sold: 0
• quantity: 3
• availability: In Stock
• started: October 3, 2025
• options: Ship-to-home

payments voomvalve:

• other
• wallet: Apple-pay
• credit card: Discover

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