MANLEY 11781-8 Engine Exhaust Valve 807298042916

( Brand: Manley ), ( Manufacturer Part Number: 11781-8 ), ( Type: Exhaust ), ( Features: Ul Li Stainless Steel Construction, Ensuring Reliable Performance Even In Demanding Conditions. /li ), ( UPC: 807298042916 )

Review MANLEY Engine Exhaust Valve

The Manley 11781-8 Engine Exhaust Valve is a high-performance replacement valve designed for serious engine builders and race enthusiasts. This valve is engineered to deliver superior durability, reliability, and performance compared to original equipment manufacturer (OEM) exhaust valves.

The Manley exhaust valve is made from 316L stainless steel, which is known for its strength, corrosion resistance, and ability to withstand the extreme temperatures and pressures encountered in an engine's exhaust system. The valve's stem is made from titanium, which is lighter and stronger than steel, reducing rotating mass and helping to improve engine performance.

The valve's seat is made from Manley's proprietary "Manseal" material, which is a ceramic composite that provides a leak-free seal even in the most demanding conditions. The valve's stem seal is a high-performance, low-friction design that ensures a tight seal and reduces valve train wear.

The Manley exhaust valve is finished with a polished stainless steel surface, which not only looks great but also reduces valve-to-piston contact and helps to improve engine efficiency. The valve also features a precision-machined shape and size to ensure a perfect fit in the engine cylinder head.

The Manley 11781-8 Engine Exhaust Valve is designed to be used in high-performance applications, including racing and high-output engines. Its superior materials, design, and manufacturing processes make it an ideal choice for engine builders and racers who demand the very best performance from their engines.

Overall, the Manley 11781-8 Engine Exhaust Valve is a high-quality, high-performance replacement valve that is engineered to provide superior durability, reliability, and performance compared to OEM exhaust valves. Its use of premium materials, including stainless steel, titanium, and Manseal, ensures that it can withstand the demands of high-performance applications and help improve engine efficiency and power output.

The Manley 11781-8 engine exhaust valve is a high-performance aftermarket valve designed for applications that require enhanced durability and reliability. Here are some pros and cons to consider before making a purchase:

1. Enhanced Durability: Manley exhaust valves are made from high-quality materials, such as stainless steel or titanium, which makes them more durable than OEM valves. They are also designed to withstand higher temperatures and pressures, making them ideal for high-performance applications.

2. Improved Performance: Manley exhaust valves offer improved flow characteristics compared to OEM valves. This can lead to increased power and torque, especially in high-RPM applications.

3. Customizability: Manley offers a range of custom exhaust valve options, allowing racers and performance enthusiasts to tailor their valves to their specific engine and application requirements.

4. Quality Assurance: Manley is known for its rigorous quality control processes, ensuring that every valve meets the highest standards of precision and reliability.

1. Cost: Manley exhaust valves are more expensive than OEM valves. This may be a significant consideration for budget-conscious enthusiasts or those with less demanding applications.

2. Installation Complexity: Installing aftermarket exhaust valves can be a complex process, requiring specialized tools and expertise. This can add to the overall cost and time investment of the upgrade.

3. Potential for Increased Noise: Depending on the specific application and engine configuration, upgrading to high-performance exhaust valves can result in increased exhaust noise. This may be a concern for those who value quiet operation or live in noise-sensitive areas.

In conclusion, the Manley 11781-8 engine exhaust valve offers significant benefits for those seeking enhanced durability, improved performance, and customizability. However, these benefits come at a cost, both in terms of financial investment and installation complexity. Ultimately, the decision to purchase this valve depends on the individual's specific needs, budget, and application requirements.

If durability and improved performance are top priorities, and the cost and installation complexity are manageable, then the Manley 11781-8 engine exhaust valve is a strong recommendation. However, for those with less demanding applications, or those who prioritize quiet operation and ease of installation, a high-quality OEM exhaust valve may be a more cost-effective and practical choice.

Details:

Material: Stainless. Head Style: Dish. Valve length in: 4.970 in. Swirl Polished and Fully Machined: The valves feature swirl polished under head areas fully machined combustion faces to optimize airflow efficiency.

Type: Exhaust. Manley 11781-8 - Engine Exhaust Valve.. 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: Race Master.

Valve Head Diameter in: 1.600 in. Color: Natural. Finish: Swirl Polish. Chrome Stems and Hard Tips: stems hard tips are incorporated for enhanced longevity wear resistance.

Recommended for Alcohol Engines: These valves are the recommended choice exhaust in alcohol engines, ensuring reliable performance even demanding conditions. Variety of Shapes: Choose between Race Master Straight Stem and Flo shapes to suit your racing engines specific requirements.

part #: 117818 prices

• $217.32-$223.25

specifications voomvalve:

• brand: Manley
• mpn: 11781-8
• type: Exhaust
• features: Ul Li Stainless Steel Construction, Ensuring Reliable Performance Even In Demanding Conditions. /li
• upc: 807298042916

payments voomvalve:

• wallet: Google-pay
• credit card: Visa
• other

offer voomvalve:

• quantity: 5
• availability: In Stock
• sold: 0
• started: June 7, 2025
• options: Ship-to-home

shipping voomvalve:

• cost: $0.00
• class: Standard
• service: Standard
• type: Fixed
• transit: 4-6 Days

seller voomvalve:

• rating: 97.4%
• # reviews: 45014
• city: Saint Paul, Minnesota

general voomvalve:

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

returns voomvalve:

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

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