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  3. MANLEY 11506-8

MANLEY 11506-8 Race Steel Valve

11506-8 Manley Race Series Stainless Steel Valve

( Brand: Manley ), ( Manufacturer Part Number: 11506-8 ), ( Part Type: Valve ), ( Seller: Summit Racing Equipment )

Review MANLEY Race Series Stainless Steel Valve

The Manley 11506-8 Race Steel Valve is a high-performance intake valve designed for serious racing applications. This valve is manufactured using Manley's proprietary race steel alloy, which provides superior strength, durability, and heat resistance compared to standard valves.

The valve features a full-length, spherical seat design that ensures positive sealing and reduces the risk of seat damage during high-RPM operation. The valve stem is made of stainless steel and is fitted with a titanium valve stem seal, which minimizes friction and provides excellent sealing.

The Manley 11506-8 Race Steel Valve also includes a sodium-filled, nickel-silicon valve head. This design evenly distributes heat away from the valve core, reducing the risk of thermal stress and promoting more consistent valve performance.

Additionally, the valve comes with a titanium retainers and lock nuts, which are lighter and stronger than standard components. This reduces rotating mass, allowing the engine to rev more freely and respond more quickly.

The Manley 11506-8 Race Steel Valve is available in various sizes to fit different engine applications. It is recommended for use in high-performance, racing engines where maximum power, durability, and reliability are required.

In summary, the Manley 11506-8 Race Steel Valve is a high-performance, race-proven intake valve made from Manley's proprietary race steel alloy. It features a full-length, spherical seat design, sodium-filled, nickel-silicon valve head, titanium retainers and lock nuts, and is available in various sizes to fit different engine applications. This valve is ideal for serious racing applications where maximum power, durability, and reliability are critical.

The Manley 11506-8 Race Steel Valves are known for their high performance and durability in automotive applications. Here are some pros and cons to help you make an informed decision about purchasing these valves:

Pros:

1. High-performance: Manley Race Steel Valves are designed to provide improved engine performance by allowing better flow and reducing restriction. They are suitable for high-performance applications where increased power and efficiency are required.

2. Durability: These valves are made of high-quality steel, making them more durable than standard valves. They can withstand the extreme heat and pressure of high-performance engines, reducing the need for frequent replacement.

3. Customizable: Manley offers a wide range of valve sizes, shapes, and materials to suit various engine applications, allowing customization based on specific engine requirements.

4. Precision machining: Manley uses advanced CNC machining techniques to ensure precise valve dimensions, ensuring optimal engine performance and longevity.

Cons:

1. Cost: Manley Race Steel Valves are more expensive than standard valves due to their high-performance materials and manufacturing processes.

2. Installation complexity: Installing aftermarket valves can be more complicated than installing stock valves, requiring specialized tools and expertise.

3. Potential for noise: High-performance valves can sometimes produce more noise than stock valves due to the increased flow and pressure.

Conclusion:

Manley 11506-8 Race Steel Valves are a premium option for high-performance engines. They offer improved engine performance, durability, and customizability, but come with a higher cost and installation complexity. If you're looking to maximize the power and efficiency of your engine, these valves may be worth the investment. However, if you're on a budget or not planning on pushing your engine to its limits, standard valves may be a more cost-effective option.

Recommendation:

If you're building a high-performance engine or looking to maximize the potential of your current engine, the Manley 11506-8 Race Steel Valves are a great choice. Their durability, precision machining, and high-performance capabilities make them an excellent investment for serious enthusiasts. However, if you're on a budget or not planning on pushing your engine to its limits, standard valves may be a more cost-effective option. Ultimately, the decision depends on your specific engine application and performance goals.

Details:

Valve, Intake, Stainless, 4.911in. DOA, 0.3415in. DOA Stem, SBC, Set of 8. Please hover mouse to image.

length , 1.840in.

part #: 115068 prices

  • $188.69-$213.44

specifications voomvalve:

  • brand: Manley
  • mpn: 11506-8
  • part type: Valve
  • seller: Summit Racing Equipment

offer voomvalve:

  • quantity: 10
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: April 11, 2025

seller voomvalve:

  • rating: 99.0%
  • city: Tallmadge, Ohio
  • # reviews: 1125339

general voomvalve:

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

returns voomvalve:

  • policy: Returns Accepted
  • paid by: Buyer
  • time: 60 Days

payments voomvalve:

  • wallet: Paypal
  • credit card: Mastercard
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shipping voomvalve:

  • class: Economy
  • type: Fixed
  • transit: 3-6 Days
  • service: Economy
  • cost: $0.00
part type: valve, seller: summit racing equipment,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 5928887102102791,

Manley 11506-8 Is Similar To:

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5 offers $188.69–$213.44 USD
  • Offer #1: $188.69 price + $15.99 shipping estimate = $204.68* total. VALVE-SBC R/F 1.840 Manley Valve-sbc R/f 1.840.+$15.99 shipping
  • Offer #2: $208.64 price + $0.00 shipping estimate = $208.64* total. Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability. Manley 43150 Engine Rocker Arm Kit.FREE SHIPPING
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