GM 3931005 Nos Big Block Intake Valve General 396-454

( Brand: Gm ), ( Manufacturer Part Number: 3931005 ), ( Type: Intake Valve ), ( Oe/oem Part Number: 3969815 ), ( Material: Steel ), ( Features: Sealed ), ( Vintage Part: Yes )

Review GM General Motors Nos Chevrolet Big Block Intake Valve #3931005

Chevrolet Big Block Intake Valve (3931005) for 396-454 Engines

The Chevrolet Big Block Intake Valve (3931005) is a crucial component of the intake system in the iconic 396-454 big block engines. This intake valve is meticulously engineered to provide optimal airflow and combustion efficiency.

Measuring approximately 1.96 inches in diameter and 1.62 inches in height, this intake valve is designed to fit seamlessly into the engine's intake port. It is manufactured using premium materials, such as heat-treated steel, to ensure durability and resistance to wear and tear.

The intake valve features a unique design, with a rounded, hemispherical shape that provides a larger intake port area, allowing for a more efficient intake stroke. This shape also reduces turbulence and provides a smoother airflow path for better engine performance.

Each intake valve comes with a matching intake valve seat, ensuring a perfect seal and preventing any unwanted leakage of air or fuel. The valve seat is precision-machined to ensure a snug fit and is designed to withstand the extreme temperatures and pressures of the engine.

The intake valve also incorporates advanced engineering techniques, such as roller tip technology, which reduces friction and wear on the valve and lifter components. This results in reduced engine noise, improved fuel efficiency, and extended engine life.

This Chevrolet Big Block Intake Valve (3931005) is an essential upgrade for any enthusiast looking to maximize the performance of their 396-454 engine. With its superior design, durable construction, and precise engineering, this intake valve is sure to provide noticeable improvements in power, torque, and overall engine performance.

Installation of this intake valve is straightforward and can be completed with common hand tools. However, it is important to ensure that all installation procedures are followed carefully to ensure proper seating and alignment of the valve. It is also recommended to use a new set of valve springs and retainers when installing a new intake valve.

In summary, the Chevrolet Big Block Intake Valve (3931005) for 396-454 engines is a high-performance component designed to provide improved airflow, reduced friction, and extended engine life. With its superior design and meticulous engineering, this intake valve is a must-have upgrade for any serious big block Chevrolet enthusiast.

Pros and Cons of Buying a GM Chevrolet Big Block Intake Valve (3931005) for 396-454 Engines

The GM Chevrolet Big Block Intake Valve (3931005) is a crucial component for engines with sizes between 396 and 454 cubic inches. Replacing worn-out or malfunctioning intake valves can significantly improve engine performance and fuel efficiency. In this analysis, we will discuss the pros and cons of investing in this specific intake valve.

1. Enhanced Engine Performance: New intake valves can improve engine combustion efficiency, resulting in increased power and torque.

2. Improved Fuel Economy: Better combustion efficiency can lead to reduced fuel consumption and improved fuel economy.

3. Longer Engine Life: Replacing worn-out intake valves can prevent further damage to the engine, potentially extending its life.

4. Better Emissions Control: New intake valves can help reduce exhaust emissions, making the vehicle more eco-friendly and compliant with emissions regulations.

5. Smoother Engine Operation: New intake valves can reduce engine noise and vibration, leading to a smoother and more enjoyable driving experience.

1. Cost: Intake valves, especially for high-performance engines like the GM Chevrolet Big Block, can be expensive.

2. Installation Complexity: Installing the intake valve may require specialized tools and knowledge, potentially leading to additional labor and repair costs.

3. Potential for OEM vs Aftermarket Debate: There may be a debate between using Original Equipment Manufacturer (OEM) or aftermarket intake valves. While OEM valves may offer a better fit and finish, aftermarket options can be more cost-effective.

Investing in a GM Chevrolet Big Block Intake Valve (3931005) can lead to improved engine performance, enhanced fuel economy, longer engine life, and better emissions control. However, the high cost and installation complexity are significant drawbacks. Ultimately, the decision to purchase this intake valve depends on the vehicle's usage, budget, and the individual's preference for OEM or aftermarket components.

If you are looking for improved engine performance, better fuel efficiency, and longer engine life, the GM Chevrolet Big Block Intake Valve (3931005) is a worthwhile investment. However, carefully consider the cost and installation complexity before making the purchase. If budget is a concern, aftermarket options may be a more cost-effective alternative. Always ensure that the replacement intake valve is compatible with your engine size and specifications.

Details:

One new old stock Chevy big block intake valve.

part #: 3931005 prices

• $149.99-$774.00

specifications voomvalve:

• for makes: Chevrolet
• brand: Gm
• mpn: 3931005
• type: Intake Valve
• oe/oem part number: 3969815
• material: Steel
• features: Sealed
• vintage part: Yes

seller voomvalve:

• rating: 0.0%
• # reviews: 20
• city: Big Lake, Minnesota

returns voomvalve:

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

shipping voomvalve:

• class: Standard
• transit: 3-9 Days
• service: USPS Ground Advantage
• cost: $0.00
• type: Calculated
• carrier: USPS

offer voomvalve:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• best offers: True
• started: April 15, 2026

payments voomvalve:

• other
• wallet: Apple-pay
• credit card: Mastercard

general voomvalve:

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

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