GM 483186 Nos Set Exhaust Valves General 2BBC

( Brand: Gm ), ( Manufacturer Part Number: 483186 ), ( Country Of Origin: United States ), ( Type: Exhaust Valve ), ( Material: Steel ), ( Vintage Part: Yes ), ( Finish: Polished )

Review GM General Motors Nos Set Pontiac Exhaust Valves fits 350 400 1971

Introducing the 483186 NOS (New Old Stock) Exhaust Valves, specifically designed for 1971 Pontiac vehicles equipped with the 350 or 400 cubic inch 2-barrel carburetor 2BB engine. These exhaust valves are a must-have for classic car enthusiasts and restoration projects.

The NOS designation signifies that these exhaust valves are original parts that have been newly sourced and never used before. They come in their original packaging, ensuring their authenticity and preserving the history of your Pontiac. Each exhaust valve is meticulously crafted from premium materials for optimal performance and durability.

These exhaust valves are essential for the proper functioning of your engine's exhaust system. They are responsible for controlling the flow of exhaust gases from the engine cylinders to the exhaust manifold and eventually to the muffler and tailpipe. Properly functioning exhaust valves enable the engine to breathe efficiently and exhaust gases to flow freely, resulting in improved engine performance and fuel efficiency.

The 483186 NOS Exhaust Valves are engineered to meet or exceed the original factory specifications. They are precision machined to ensure a perfect fit in your engine, ensuring a seamless installation process. Their superior quality materials ensure they can withstand the rigors of regular use and the test of time.

Replacing worn or damaged exhaust valves with these NOS parts can help restore your 1971 Pontiac to its original condition. Not only do they enhance the performance and reliability of your vehicle, but they also add value to your classic car by maintaining its authenticity and historical accuracy.

Upgrading your Pontiac with these NOS exhaust valves is an investment in both your vehicle's performance and its value. By using original parts, you can be confident that you are preserving the integrity of your classic car while also enjoying the benefits of improved engine performance.

In summary, the 483186 NOS Exhaust Valves for 1971 Pontiac 350 and 400 2BB engines are an essential upgrade for classic car enthusiasts and restoration projects. Their NOS status ensures their authenticity and originality, while their superior quality materials ensure their durability and performance. Replacing worn or damaged exhaust valves with these parts can help restore your vehicle to its original condition and enhance its performance and value.

Buying aftermarket exhaust valves for a 1971 Pontiac 350 400 2BB engine, specifically those with the GM 483186 number, comes with both advantages and disadvantages. Here are some key points to consider before making a decision.

1. Enhanced Performance: Aftermarket exhaust valves can improve engine performance by increasing the flow of exhaust gases, leading to better fuel efficiency and increased horsepower.

2. Durability: High-quality aftermarket exhaust valves are often made from stronger materials than their OEM counterparts, making them more durable and resilient to wear and tear.

3. Cost-Effective: In some cases, aftermarket exhaust valves can be less expensive than their OEM counterparts, making them an attractive option for budget-conscious buyers.

1. Potential Compatibility Issues: Aftermarket exhaust valves may not always be a perfect fit, requiring additional modifications or adjustments to ensure proper installation.

2. Quality Variability: The quality of aftermarket exhaust valves can vary greatly, with some offering superior performance and durability while others may not meet expectations.

3. Installation Complexity: Installing aftermarket exhaust valves can be a more complex process than installing OEM parts, potentially requiring additional tools and expertise.

Considering the advantages and disadvantages, buying aftermarket exhaust valves for a 1971 Pontiac 350 400 2BB engine can be a worthwhile investment if you're looking for improved performance and durability. However, it's crucial to ensure compatibility, choose a reputable supplier, and be prepared for the potential complexities of the installation process.

If you decide to purchase aftermarket exhaust valves for your 1971 Pontiac 350 400 2BB engine, we recommend doing thorough research on the specific brand and model you're considering, as well as consulting with a knowledgeable mechanic or specialist to ensure proper installation and compatibility. Remember that not all aftermarket parts are created equal, so be sure to prioritize quality and reliability when making your purchase.

Details:

455 FORMULA TEMPEST T37 GT37 GTO BONNEVILLE 2 CATALINA GP GRAND PRIX GMC TRUCK SPRINT EL CAMINO FLEETLINE FLEETSIDE CADILLAC DEVILLE SEVILLE ELDORADO BERITZ OLDSMOBILE OLDS F85 CUTLASS 442 W30 W31 RAM ROD HURST H/O SURVIVOR RAT STREET LOWRIDER RESTO-MOD PONTIAC FIREBIRD TA TRANS AM SD SUPER DUTY IV.O. Original New Old Stock. NOS Set 8 GM 1971 Pontiac 350 400 Exhaust Valves 483186.

part #: 483186 prices

• $12.99-$98.50

specifications voomvalve:

• for models: 350, 400
• for makes: Pontiac
• for years: 1971
• brand: Gm
• mpn: 483186
• country of origin: United States
• type: Exhaust Valve
• material: Steel
• vintage part: Yes
• finish: Polished

offer voomvalve:

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

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• service: USPS Ground Advantage
• cost: $8.95
• transit: 4-8 Days
• class: Standard
• carrier: USPS
• type: Fixed

seller voomvalve:

• rating: 100.0%
• city: Decatur, Georgia
• # reviews: 3355

returns voomvalve:

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

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general voomvalve:

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

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