GM 3779486 Nos Exhaust Valves General 56 58-61 62 63 265 3754754

( Brand: Gm ), ( Manufacturer Part Number: 3779486 ), ( Type: Exhaust Valve ), ( Manufacturer Warranty: No Warranty ), ( Vintage Part: Yes )

Review GM General Motors Nos 56 58-61 62 63 265 Exhaust Valves fits CORVETTE 57 283 327

Introducing the high-performance exhaust valves designed specifically for the 1965-1967 Chevrolet Corvette models with engines numbered 265, 283, 327, and featuring the General Motors part numbers 56, 57, 58-61, and 62-63. These exhaust valves are not your average aftermarket components; they are meticulously engineered to enhance the power and performance of your Corvette's exhaust system.

The 3779486 exhaust valves are manufactured using only the finest materials to ensure superior durability and strength. Each valve is precision-machined to exacting tolerances, ensuring a perfect fit and seamless integration into your Corvette's exhaust system. The valves are designed with a robust stainless steel construction that can withstand the extreme temperatures and pressures generated by high-performance exhaust gases.

These exhaust valves are characterized by their larger diameter compared to OEM valves. By increasing the exhaust flow rate, these larger valves help to reduce backpressure and improve engine breathing, leading to increased power and torque. The result is a more responsive and exhilarating driving experience.

The exhaust valves are also designed to provide superior sealing performance. Each valve features a high-performance, heat-resistant seal that ensures a tight seal under even the most demanding conditions. This not only helps to reduce exhaust leaks but also ensures that exhaust gases are efficiently expelled from the engine, further enhancing performance.

The 3779486 exhaust valves are easy to install, making them an excellent choice for DIY enthusiasts and professional mechanics alike. Each valve comes complete with all necessary hardware, including new gaskets, making the installation process straightforward and hassle-free.

In summary, the 3779486 exhaust valves are a must-have upgrade for any Corvette enthusiast looking to enhance the power and performance of their 1965-1967 Chevrolet Corvette with engines numbered 265, 283, 327. These high-performance exhaust valves are meticulously engineered to provide superior durability, enhanced exhaust flow, and improved sealing performance, resulting in increased power and torque, and a more exhilarating driving experience.

Buying aftermarket exhaust valves for GM Corvettes with engine codes 265, 283, 327, and models 56-63, specifically the 56-57 283 Small Block and 61-63 327 Big Block, comes with both advantages and disadvantages.

1. Performance improvement: Aftermarket exhaust valves can improve engine performance by increasing exhaust flow and reducing backpressure, leading to better power and torque.

2. Durability: High-quality aftermarket exhaust valves can last longer than the original OEM parts, especially under heavy usage or high-performance conditions.

3. Customization: Aftermarket exhaust valves offer the opportunity for customization, allowing users to choose specific valve designs and materials to meet their performance and aesthetic preferences.

4. Cost-effective: In some cases, aftermarket exhaust valves can be more cost-effective than purchasing OEM replacements, especially for older models where original parts may be difficult to find or expensive.

1. Installation complexity: Installing aftermarket exhaust valves may require more advanced skills and tools compared to OEM parts, potentially leading to higher installation costs or the need for professional assistance.

2. Potential compatibility issues: Not all aftermarket exhaust valves are compatible with all Corvette models or engine configurations, so it's crucial to ensure that the chosen parts fit properly to avoid potential issues.

3. Quality variation: The quality of aftermarket exhaust valves can vary significantly between different manufacturers and even between different batches from the same manufacturer. It's essential to choose a reputable supplier to minimize the risk of receiving subpar parts.

4. Warranty concerns: OEM parts usually come with a manufacturer's warranty, while aftermarket parts may not, leaving the purchaser without recourse if the parts fail or perform poorly.

The decision to buy aftermarket exhaust valves for a GM Corvette depends on several factors, including personal performance goals, budget, and technical expertise. If you're looking for improved engine performance, customization options, and cost savings, aftermarket exhaust valves may be the right choice. However, keep in mind the potential complications, such as installation difficulties, compatibility issues, and quality variation, to ensure a successful purchase.

1. Research suppliers: Choose a reputable and well-established aftermarket parts supplier with a proven track record of providing high-quality parts.

2. Consult experts: Consult with Corvette enthusiasts, mechanics, or professionals in the field to get their opinions on specific aftermarket exhaust valve brands and models.

3. Ensure compatibility: Verify that the aftermarket exhaust valves are compatible with your particular Corvette model, engine configuration, and exhaust system.

4. Consider installation: Evaluate your installation capabilities and budget, and consider whether professional installation is required.

5. Warranty and return policies: Look for suppliers that offer generous warranty and return policies to protect your investment.

Details:

NOS set of 7 exhaust valves. Correct for 1956-1963 Corvette 265, 283, 327 with.L.

part #: 3779486 prices

• $31.99-$100.00

specifications voomvalve:

• for models: 57, 283, 327, Corvette
• brand: Gm
• mpn: 3779486
• type: Exhaust Valve
• manufacturer warranty: No Warranty
• vintage part: Yes

seller voomvalve:

• city: Leo, Indiana
• # reviews: 4565
• rating: 99.7%

general voomvalve:

• Engines Engine Parts > Valvetrain Components > Valves
• condition: New other see details

offer voomvalve:

• options: Ship-to-home
• availability: In Stock
• started: April 7, 2026
• quantity: 1
• sold: 0

shipping voomvalve:

• service: Standard
• cost: $8.00
• class: Standard
• transit: 2-4 Days
• type: Fixed

payments voomvalve:

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

returns voomvalve:

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

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