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  3. MANLEY 11531-8

MANLEY 11531-8 Engine Exhaust Valve 807298049687

11531-8 Manley - Engine Exhaust Valve

( Brand: Manley ), ( Manufacturer Part Number: 11531-8 ), ( Type: Exhaust ), ( Features: Ul Li Stainless Steel Construction, Ensuring Reliable Performance Even In Demanding Conditions. /li ), ( UPC: 807298049687 )

Review MANLEY Engine Exhaust Valve

The Manley 11531-8 Engine Exhaust Valve is a high-performance aftermarket replacement valve designed for serious engine builders and racers. This valve is part of Manley's premium line of performance valves, engineered to deliver superior durability, reliability, and power gains.

The Manley 11531-8 is a single exhaust valve, designed to fit in a standard exhaust valve seat. It is manufactured using Manley's proprietary Valvetek alloy, which provides excellent strength, fatigue resistance, and heat resistance. The valve stem is made of chrome molybdenum steel, providing excellent strength and durability.

The valve features a full-port design, which maximizes exhaust flow and reduces back pressure, resulting in increased power and torque. The valve seat is made of Manley's proprietary Valvetek seat material, which provides excellent sealing and durability. The valve guide is also made of high-strength steel and is precision machined to ensure proper valve guide seal and minimal valve float.

The Manley 11531-8 Engine Exhaust Valve is designed to withstand the rigors of high-performance engine applications. It is suitable for use in race engines, high-performance street engines, and marine engines. The valve is available in various sizes to fit different engine applications.

The Manley 11531-8 Engine Exhaust Valve is engineered to provide excellent performance, reliability, and durability. It is backed by Manley's industry-leading warranty, which covers defects in materials and workmanship for a period of one year from the date of purchase.

In summary, the Manley 11531-8 Engine Exhaust Valve is a high-performance aftermarket replacement valve designed for serious engine builders and racers. It is manufactured using premium materials and features a full-port design to maximize exhaust flow and reduce back pressure. The valve is suitable for use in race engines, high-performance street engines, and marine engines, and is backed by Manley's industry-leading warranty.

Manley 11531-8 is a high-performance exhaust valve designed for racing applications. Here are some pros and cons of buying this valve: Pros:

1. Enhanced performance: Manley exhaust valves are known for their superior durability and performance. This valve is no exception. It is designed to withstand high temperatures and pressures, making it ideal for high-performance engines.

2. Improved power output: By improving the flow of exhaust gases, this valve can help increase the power output of your engine.

3. High-quality materials: Manley uses high-quality materials in the production of its exhaust valves. The valve seat is made of nickel alloy, while the stem and guide are made of chrome molybdenum alloy.

4. Precision manufacturing: Manley uses advanced manufacturing techniques to ensure that each valve is produced to exacting standards.

Cons:

1. Expensive: Manley exhaust valves are not cheap. The 11531-8 valve is no exception. It is priced higher than OEM valves and aftermarket alternatives.

2. Not suitable for street use: This valve is designed for racing applications. It may not be suitable for use on the street due to its aggressive design and performance characteristics.

3. Requires specialized installation: Installing this valve requires specialized tools and expertise. It is not a job for the average DIYer.

4. Limited availability: Manley exhaust valves are not widely available. You may have to search far and wide to find a supplier.

Conclusion:

The Manley 11531-8 exhaust valve is a high-performance component designed for racing applications. It offers improved power output, enhanced durability, and precision manufacturing. However, it comes with a hefty price tag, is not suitable for street use, requires specialized installation, and is limited in availability.

Recommendation:

If you are building a high-performance racing engine, the Manley 11531-8 exhaust valve is an excellent choice. Its superior durability, performance, and precision manufacturing make it a worthwhile investment. However, if you are looking for a valve for street use or have a limited budget, there are more affordable alternatives available from other manufacturers.

Details:

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 Flo. Valve Head Diameter in: 1.600 in. Valve length in: 4.911 in. Recommended for Alcohol Engines: These valves are the recommended choice exhaust in alcohol engines, ensuring reliable performance even demanding conditions.

Type: Exhaust. Manley 11531-8 - Engine Exhaust Valve. Head Style: Dish. Finish: Swirl Polish.

Color: Natural. Swirl Polished and Fully Machined: The valves feature swirl polished under head areas fully machined combustion faces to optimize airflow efficiency. Chrome Stems and Hard Tips: stems hard tips are incorporated for enhanced longevity wear resistance.

Material: Stainless. Variety of Shapes: Choose between Race Master Straight Stem and Flo shapes to suit your racing engines specific requirements.

part #: 115318 prices

  • $183.34-$217.04

specifications voomvalve:

  • brand: Manley
  • mpn: 11531-8
  • type: Exhaust
  • features: Ul Li Stainless Steel Construction, Ensuring Reliable Performance Even In Demanding Conditions. /li
  • upc: 807298049687

returns voomvalve:

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

general voomvalve:

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

offer voomvalve:

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

payments voomvalve:

  • credit card: Diners-club
  • other
  • wallet: Paypal

seller voomvalve:

  • city: Saint Paul, Minnesota
  • rating: 97.8%
  • # reviews: 45043

shipping voomvalve:

  • cost: $0.00
  • class: Standard
  • service: Standard
  • type: Fixed
  • transit: 3-5 Days
type: exhaust, features: ul li stainless steel construction, ensuring reliable performance even in demanding conditions. /li,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 7808204559581632,

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