GM 478348 Nos Exhaust Valves General 4BBC

( Brand: Gm ), ( Manufacturer Part Number: 478348 ), ( Type: Exhaust Valve ), ( Material: Steel ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States )

Review GM General Motors Nos Pontiac Exhaust Valves fits PRIX GRAND 400 1970

Introducing the 1970 Pontiac Prix 400 4BBB Exhaust Valves, designed specifically for the 4-barrel carbureted 400 cubic inch engines that graced this iconic American muscle car. These exhaust valves are essential components of your vehicle's exhaust system, responsible for regulating the flow of exhaust gases from the engine cylinders to the exterior.

These 478348 NOS (New Old Stock) exhaust valves are original equipment manufacturer (OEM) replacements, meaning they are identical to the valves that were installed in your Pontiac Prix when it rolled off the assembly line over four decades ago. Each valve is meticulously crafted from high-quality steel, ensuring durability and longevity. The valves feature a precise diameter and length, designed to perfectly fit into your engine's exhaust ports and function optimally.

The 1970 Pontiac Prix 400 4BBB Exhaust Valves are equipped with a robust spring design that ensures reliable sealing of the exhaust gases. The springs are engineered to maintain a consistent pressure, preventing exhaust leaks and ensuring optimal engine performance. The valves also feature durable seats, which provide a tight seal against the exhaust ports, minimizing the risk of exhaust leaks and maximizing exhaust flow.

Installing these exhaust valves is a straightforward process, making them an ideal choice for DIY enthusiasts or those looking to save on labor costs. Each valve comes complete with its own seat, making installation a breeze. Additionally, these NOS exhaust valves are unaltered and unmodified, meaning they offer the authentic performance and experience that Pontiac muscle car enthusiasts crave.

Investing in the 1970 Pontiac Prix 400 4BBB Exhaust Valves not only ensures the continued reliability and performance of your cherished muscle car, but it also adds to its historical value. These NOS exhaust valves are a testament to the vehicle's rich history and a symbol of dedication to its preservation. So, if you're looking to restore your 1970 Pontiac Prix 400 to its former glory, look no further than these genuine, OEM exhaust valves.

Buying aftermarket exhaust valves for a 1970 Pontiac Prix with a 400 cubic inch 4BBB engine and a 4-barrel carburetor can be a consideration for those seeking performance improvements. Here are some potential pros and cons:

1. Enhanced engine performance: New exhaust valves can improve the flow of exhaust gases, increasing engine efficiency and potentially boosting power output.

2. Durability: Aftermarket exhaust valves are often made of high-quality materials, ensuring better durability compared to worn-out original parts.

3. Customization: Aftermarket exhaust valves offer the opportunity to customize the engine for specific performance goals, such as increased horsepower or improved fuel efficiency.

1. Cost: Aftermarket exhaust valves can be more expensive than their OEM counterparts.

2. Installation complexity: Installing aftermarket exhaust valves may require additional time and expertise, potentially involving engine disassembly and the use of specialized tools.

3. Compatibility: Ensuring the aftermarket exhaust valves are compatible with the specific engine and exhaust system can be a challenge, potentially requiring extensive research and consultation with experts.

In conclusion, buying aftermarket exhaust valves for a 1970 Pontiac Prix 400 4BBB engine can offer performance improvements and increased durability. However, the higher cost, installation complexity, and compatibility concerns may deter some potential buyers. Ultimately, the decision to purchase aftermarket exhaust valves depends on individual priorities, budget, and technical expertise. If you're confident in your abilities and willing to invest in the project, the potential benefits may outweigh the drawbacks. If not, it might be wise to consider other performance upgrades or stick with OEM parts.

Details:

CORVETTE NCRS BLOOMINGTON GOLD L88 LT1 CORVAIR CORSA CHEVY II NOVA Z16 C10 C20 C30 PICKUP TRUCK SERIES 10 20 30 PACE CAR INDY. NOS 3 GM 1970 Pontiac Grand Prix 400 4BBC Exhaust Valves 478348. Original New Old Stock. 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.

part #: 478348 prices

• $41.99-$89.50

specifications voomvalve:

• for models: 400, Prix, Grand
• for makes: Pontiac
• for years: 1970
• brand: Gm
• mpn: 478348
• type: Exhaust Valve
• material: Steel
• vintage part: Yes
• country/region of manufacture: United States

returns voomvalve:

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

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offer voomvalve:

• best offers: True
• options: Ship-to-home
• quantity: 1
• started: April 13, 2025
• sold: 0
• availability: In Stock

seller voomvalve:

• rating: 100.0%
• city: Decatur, Georgia
• # reviews: 2749

shipping voomvalve:

• transit: 4-9 Days
• cost: $6.95
• type: Fixed
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage

general voomvalve:

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

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