MANLEY 11686-8 Intake Valves 807298051130 P/f 2.165

( Brand: Manley ), ( Manufacturer Part Number: 11686-8 ), ( Part Type: Intake Valve ), ( UPC: 807298051130 )

Review MANLEY Fits P/f 2.165 Intake Valves fits LS3

The Manley 11686-8 LS3 P/F 2.165 Intake Valves are a high-performance upgrade for any serious engine builder or racer looking to maximize power and efficiency in their General Motors LS3 engine. These intake valves are manufactured with precision and care to meet the demanding requirements of high-performance applications.

Each intake valve is made from Manley's proprietary 356 stainless steel, which is known for its exceptional strength, durability, and heat resistance. The valves feature a large 2.165-inch diameter, which provides increased flow capacity over stock intake valves. This larger diameter allows for more air to enter the engine, resulting in improved combustion and increased horsepower.

The Manley LS3 intake valves are designed with a thin-stem, flat-top design, which provides excellent sealing and reduces the risk of valvetrain harmonic vibration. The valves are also equipped with Manley's exclusive V-groove stem design, which ensures proper valve alignment and reduces the risk of valve float.

The intake valves come with a matching Manley spring and retainer set, which are designed to provide the optimal spring pressure for maximum performance and reliability. The springs are made from high-strength, heat-treated steel and are available in a range of spring rates to suit different engine applications.

The Manley 11686-8 LS3 P/F 2.165 Intake Valves are also available with or without stems, depending on the specific needs of your engine build. These valves are designed to be used with a high-performance intake manifold, and are suitable for use in both naturally aspirated and forced-induction applications.

In summary, the Manley 11686-8 LS3 P/F 2.165 Intake Valves are a high-quality, high-performance upgrade for any LS3 engine. With their large diameter, thin-stem design, and premium materials, these valves provide improved flow capacity, reduced vibration, and increased power and efficiency. Whether you're building a race engine or simply looking to maximize the performance of your daily driver, these intake valves are an excellent investment for any LS3 engine builder.

Manley 11686-8 LS3 P/F 2.165 Intake Valves: A Detailed Analysis

The Manley 11686-8 LS3 P/F 2.165 Intake Valves are aftermarket intake valves designed for use in General Motors LS3 engines. These valves are known for their high-performance capabilities and durability. In this analysis, we will discuss the pros and cons of purchasing these intake valves.

1. High-Performance: Manley intake valves are designed to provide improved performance compared to OEM valves. They offer increased flow rates, which can result in increased horsepower and torque.

2. Durability: Manley valves are made from high-quality materials, including stainless steel stems and seats. This makes them more durable than OEM valves and less prone to wear and failure.

3. Improved Thermal Conductivity: Manley intake valves are made from a unique material called Manley Valvetron Alloy. This material has improved thermal conductivity, which helps to reduce the temperature of the intake port and improve combustion efficiency.

4. Precision Manufacturing: Manley valves are manufactured to tight tolerances, ensuring a precise fit and proper sealing.

1. Cost: Manley intake valves are more expensive than OEM valves. This may be a deterrent for some buyers who are on a tight budget.

2. Installation Complexity: Installing aftermarket intake valves can be a complex process, especially for those without experience. It may require specialized tools and knowledge.

3. Potential for Noise: Some users have reported that Manley intake valves can be noisier than OEM valves, especially at higher RPMs.

4. Potential for Leaks: While Manley valves are known for their sealing capabilities, some users have reported leaks after installation.

The Manley 11686-8 LS3 P/F 2.165 Intake Valves offer several advantages over OEM valves, including improved performance, durability, and thermal conductivity. However, they also come with some drawbacks, such as a higher cost, installation complexity, potential for noise, and leaks. Ultimately, the decision to purchase Manley intake valves depends on the user's budget, experience level, and performance goals. If you are looking for high-performance intake valves and are willing to pay a premium, then Manley valves may be the right choice. However, if you are on a tight budget or are not experienced with engine work, then OEM valves may be a better option.

If you are looking for high-performance intake valves and have the budget for it, then the Manley 11686-8 LS3 P/F 2.165 Intake Valves are a worthwhile investment. However, if you are on a tight budget or are not experienced with engine work, then it is recommended that you stick with OEM valves to ensure a reliable and hassle-free installation.

Details:

part #: 116868 prices

• $269.99-$314.88

specifications voomvalve:

• for models: Ls3
• brand: Manley
• mpn: 11686-8
• part type: Intake Valve
• upc: 807298051130

payments voomvalve:

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

seller voomvalve:

• city: Charlestown, Massachusetts
• rating: 99.3%
• # reviews: 434

general voomvalve:

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

offer voomvalve:

• options: Ship-to-home
• sold: 0
• quantity: 7
• availability: In Stock
• started: February 10, 2025

shipping voomvalve:

• type: Fixed
• class: Standard
• service: Standard
• transit: 3-9 Days
• cost: $9.99

returns voomvalve:

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

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