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  3. MANLEY 11720-8

MANLEY 11720-8 Engine Intake Valve 807298004587

11720-8 Manley - Engine Intake Valve

( Brand: Manley ), ( Manufacturer Part Number: 11720-8 ), ( Type: Intake ), ( Features: Ul Li Stainless Steel Construction, Ensuring Reliable Performance Even In Demanding Conditions. /li ), ( UPC: 807298004587 )

Review MANLEY Engine Intake Valve

The Manley 11720-8 Engine Intake Valve is a high-performance replacement component designed for race and high-performance applications. This intake valve is manufactured using Manley's proprietary Valvetronics technology, which ensures precise valve dimensions, excellent durability, and consistent performance.

The valve body is made from high-strength, nickel-chromium alloy, providing excellent heat resistance and wear resistance. The valve seat is made from Manley's exclusive Silicon Nitride alloy, which offers superior sealing properties and resistance to thermal shock. This combination results in a valve that can withstand the rigors of high-performance engines and deliver consistent, reliable performance.

The Manley 11720-8 Engine Intake Valve features a unique design, with a large, flat intake face that maximizes the flow of air and fuel into the engine. The valve also includes a hollow stem design, which reduces the weight of the valve and improves engine response.

The valve is available in several sizes to fit various engine applications, and it is designed to work with both solid and hydraulic lifters. The valve also includes a stem seal and a retainer, making it a complete, ready-to-install replacement component.

With its high-quality materials, precise dimensions, and excellent flow characteristics, the Manley 11720-8 Engine Intake Valve is an ideal choice for any high-performance engine application. Whether you're building a race engine or looking to improve the performance of your street vehicle, this valve is sure to deliver the results you're looking for.

The Manley 11720-8 engine intake valve is a high-performance aftermarket valve designed to enhance the breathing capabilities of internal combustion engines. This valve is popular among engine builders and racing enthusiasts due to its superior design and materials. Here are some potential pros and cons of buying this intake valve:

Pros:

1. Enhanced Airflow: Manley intake valves are known for their superior airflow capabilities. The 11720-8 valve is no exception. Its large 31mm diameter and modified stem shape help maximize airflow into the engine, leading to improved combustion efficiency and potential power gains.

2. Durability: Manley valves are made from high-quality materials. The 11720-8 intake valve uses a forged stainless steel body and a titanium valve head. This design makes the valve more durable and capable of withstanding the extreme temperatures and pressures found in high-performance engines.

3. Improved Engine Response: The increased airflow and durability of the Manley 11720-8 intake valve can lead to improved engine response. The engine will be able to breathe more easily, allowing it to rev more quickly and deliver power more consistently.

4. Customizable: Manley offers a range of intake valves, each with slightly different specifications. This allows customers to choose a valve that is best suited to their specific engine and performance goals.

Cons:

1. Cost: The Manley 11720-8 intake valve is a premium aftermarket part, and its price reflects its high-performance capabilities. The valve may be more expensive than stock OEM valves or aftermarket alternatives.

2. Installation Complexity: Installing aftermarket intake valves can be a complex process, particularly for those without extensive engine building experience. It may require specialized tools and a significant amount of time and expertise to install the valve correctly.

3. Potential Compatibility Issues: The Manley 11720-8 intake valve is designed for specific engine applications. It may not be compatible with all engines, and customers should ensure that the valve is a good fit for their engine before making a purchase.

Conclusion:

The Manley 11720-8 engine intake valve is a high-performance aftermarket part that offers significant benefits for engines that require improved breathing capabilities. Its superior airflow capabilities, durability, and customizability make it an attractive option for engine builders and racing enthusiasts. However, its cost, installation complexity, and potential compatibility issues may make it a less viable option for some customers. Ultimately, the decision to purchase the Manley 11720-8 intake valve should be based on an individual's specific engine needs and performance goals.

Recommendation:

If you are looking to enhance the performance of your engine and are willing to invest in a high-quality aftermarket intake valve, the Manley 11720-8 engine intake valve is an excellent option to consider. However, it is important to ensure that the valve is compatible with your engine and that you have the necessary tools and expertise to install it correctly. If you are unsure about the suitability of the Manley valve for your engine, it may be worth consulting with a professional engine builder or racing expert for advice.

Details:

Type: Intake. Finish: Swirl Polish. Valve length in: 5.344 in. Chrome Stems and Hard Tips: stems hard tips are incorporated for enhanced longevity wear resistance.

Manley 11720-8 - Engine Intake Valve. Swirl Polished and Fully Machined: The valves feature swirl polished under head areas fully machined combustion faces to optimize airflow efficiency. Recommended for Alcohol Engines: These valves are the recommended choice exhaust in alcohol engines, ensuring reliable performance even demanding conditions. Head Style: Dish.

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. Material: Stainless. Variety of Shapes: Choose between Race Master Straight Stem and Flo shapes to suit your racing engines specific requirements. Valve Head Diameter in: 2.190 in.

Color: Natural..

part #: 117208 prices

  • $131.40-$560.34

specifications voomvalve:

  • brand: Manley
  • mpn: 11720-8
  • type: Intake
  • features: Ul Li Stainless Steel Construction, Ensuring Reliable Performance Even In Demanding Conditions. /li
  • upc: 807298004587

seller voomvalve:

  • city: Saint Paul, Minnesota
  • # reviews: 45028
  • rating: 98.0%

shipping voomvalve:

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

general voomvalve:

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

payments voomvalve:

  • other
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  • credit card: Mastercard

offer voomvalve:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: June 20, 2025

returns voomvalve:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
type: intake, features: ul li stainless steel construction, ensuring reliable performance even in demanding conditions. /li,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 7432626606951632,

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