GM 3931006 Performance Nos Up Exhaust Valve Stem 1.720 3/8

( Brand: Gm ), ( Manufacturer Part Number: 3931006 ), ( Type: Exhaust Valve ), ( Material: Steel ), ( Vintage Part: Yes ), ( Country Of Origin: United States ), ( Performance Part: No )

Review GM Performance Nos Chevy And Up Exhaust Valve 1.720 Dia 3/8 Inch Stem fits 1965

Introducing the GM 3931006 Performance NOS Chevy Exhaust Valve, specifically designed for 1965 and up Chevrolet vehicles. This high-performance exhaust valve is an essential upgrade for any Chevy enthusiast seeking to optimize their engine's exhaust system.

The GM 3931006 Performance NOS Exhaust Valve boasts a 1.720-inch diameter, making it an ideal fit for larger exhaust pipes. Its 3/8-inch stem ensures a secure and stable connection with the exhaust system. The valve is engineered with a robust construction that can withstand the rigors of high-performance driving.

This exhaust valve is a direct replacement for the original factory valve, ensuring a seamless installation process. Its design allows for efficient exhaust gas flow, which in turn enhances engine performance and responsiveness. The valve's ability to control exhaust backpressure also contributes to improved engine efficiency and power output.

The GM 3931006 Performance NOS Exhaust Valve is manufactured to meet or exceed OEM specifications. It is made from high-quality materials that deliver durability and reliability. The valve's smooth operation ensures a quiet exhaust system, making it an excellent choice for street and strip applications.

Upgrading to the GM 3931006 Performance NOS Exhaust Valve is an investment in your Chevy's performance. It is a must-have modification for any Chevy enthusiast looking to unleash the full potential of their engine. With its robust construction, efficient exhaust flow, and seamless installation, this exhaust valve is the perfect addition to your high-performance exhaust system.

The GM 3931006 Performance NOS (Nitrous Oxide System) Chevy 1965 and up Exhaust Valve 1.720 with a 3/8 stem is a performance part designed to enable the introduction of nitrous oxide into the intake system of a compatible engine. Here are some potential pros and cons of purchasing this part:

1. Increased Power: Nitrous oxide is a powerful additive that can significantly increase the horsepower and torque of an engine. This can lead to improved performance and quicker acceleration.

2. Improved Throttle Response: Nitrous oxide can help improve throttle response by increasing the amount of fuel and air that can be delivered to the engine during acceleration.

3. Cost-Effective: Compared to other methods of increasing engine performance, such as superchargers or turbochargers, nitrous oxide systems can be a more cost-effective option.

4. Customizability: Nitrous oxide systems can be easily adjusted to provide different levels of boost, allowing users to tailor the performance to their specific needs and preferences.

1. Complexity: Installing and using a nitrous oxide system can be complex, requiring specialized knowledge and equipment. It is important to ensure that the installation is done correctly to avoid damage to the engine or other components.

2. Safety Concerns: Nitrous oxide can be dangerous if not used properly. It can cause engine damage if the boost is too high, and it can also be hazardous to human health if inhaled in large quantities. It is important to follow all safety guidelines when using a nitrous oxide system.

3. Maintenance: Nitrous oxide systems require regular maintenance to ensure that they are functioning properly. This can include checking the pressure regulator, cleaning the nozzles, and replacing worn-out parts.

4. Fuel Consumption: Nitrous oxide systems can increase fuel consumption, as the engine requires more fuel to support the increased power output.

The GM 3931006 Performance NOS Chevy 1965 and up Exhaust Valve 1.720 with a 3/8 stem is a high-performance part that can provide significant gains in horsepower and torque. However, it also comes with some complexities, safety concerns, and maintenance requirements. It is important to carefully consider these factors before making a purchase and to ensure that the installation is done correctly to avoid any potential issues.

If you are considering purchasing a nitrous oxide system for your Chevy, it is important to do your research and ensure that you are getting a high-quality product from a reputable supplier. You may also want to consider working with a professional installer to ensure that the system is installed correctly and safely. Additionally, be sure to follow all safety guidelines when using the system to minimize any potential risks.

Details:

It is designed for older vehicles, specifically 1965 and up, has a 1.720 diameter 3/8 stem. The GM Performance NOS 3931006 BB Chevy 1965 Up Exhaust Valve is a vintage part made of steel in the USA. It is a sought-after component for car enthusiasts looking to restore or maintain the authenticity of their classic Chevy engines.

part #: 3931006 prices

• $14.99-$16.20

specifications voomvalve:

• for makes: Chevy
• for years: 1965
• brand: Gm
• mpn: 3931006
• type: Exhaust Valve
• material: Steel
• vintage part: Yes
• country of origin: United States
• performance part: No

shipping voomvalve:

• type: Calculated
• cost: $8.72
• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS Ground
• transit: 4-8 Days
• class: Standard

offer voomvalve:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: March 13, 2026
• quantity: 1

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• other
• credit card: Discover
• wallet: Google-pay

general voomvalve:

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

seller voomvalve:

• # reviews: 15104
• rating: 99.7%
• city: Berlin, Connecticut

returns voomvalve:

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

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