PERFECT CIRCLE PC2163EX Exhaust Valve Set Head 1.66

( Brand: Perfect Circle ), ( Manufacturer Part Number: PC2163EX ), ( Type: Exhaust Valve ), ( Oe/oem Part Number: 489846 ), ( Features: Usa Made ), ( Material: Steel ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States ), ( Finish: Polished )

Review PERFECT CIRCLE Pontiac Exhaust Valve Set Valves Usa Made 1.66 Head fits 455 1973–1974

Introducing the Circle PC2163EX Pontiac 455 Exhaust Valve Set, specifically designed for Pontiac muscle cars from the years 1973 and 1974. This exhaust valve set is an essential upgrade for any Pontiac 455 engine, ensuring optimal performance and longevity.

The PC2163EX exhaust valves feature a 1.66-inch head diameter, enabling them to fit perfectly into the exhaust system of your Pontiac muscle car. These valves are meticulously crafted using high-quality materials, ensuring robustness and durability. The valves are designed with a precise diameter and a uniformly thick stem to ensure a proper seal and efficient gas flow.

The exhaust valves in this set are characterized by their large, rounded exhaust seats that provide a snug fit into the exhaust port. The valve stems are finished with a precise, concentric honing that ensures a perfect seal when the valves are closed. This design not only enhances the performance of your Pontiac engine but also reduces exhaust leakage, leading to improved fuel efficiency.

The Circle PC2163EX exhaust valve set comes with matching exhaust springs that are specifically designed to work with these valves. The springs are made from heat-resistant materials and are carefully tuned to provide the right amount of valve lift for optimal engine performance. The springs are also designed to maintain their shape and function effectively even in the harsh conditions of your exhaust system.

The exhaust valve set is designed to work seamlessly with your existing exhaust system, making installation a breeze. The valves are available in both stock and performance specifications, allowing you to choose the one that best suits your needs. Whether you're looking for improved performance or simply want to maintain the originality of your Pontiac muscle car, the Circle PC2163EX exhaust valve set is the perfect solution.

In conclusion, the Circle PC2163EX Pontiac 455 Exhaust Valve Set is an essential upgrade for any Pontiac muscle car from the years 1973 and 1974. These valves are meticulously crafted using high-quality materials, ensuring robustness and durability. They are designed to provide optimal performance and reduce exhaust leakage, leading to improved fuel efficiency. With matching exhaust springs included, installation is easy and hassle-free, making this an ideal choice for any Pontiac enthusiast.

Buying a Pontiac 455 Exhaust Valve Set (Circle P/N PC2163EX) for a 1973 or 1974 Pontiac vehicle can have both advantages and disadvantages, depending on the specific circumstances. Here's a detailed look at each:

1. Improved Performance: A new exhaust valve set can help improve engine performance by ensuring a proper seal and reducing exhaust leaks.

2. Longer Lifespan: Replacing old or worn out exhaust valves with new ones can increase the overall lifespan of the engine.

3. Smoother Operation: New exhaust valves can result in smoother engine operation, reducing rough idling and other related issues.

4. Compatibility: Circle P/N PC2163EX exhaust valves are specifically designed for Pontiac 455 engines from 1973 and 1974, ensuring a perfect fit.

1. Cost: Replacing exhaust valves can be an expensive repair, especially if other related components, such as the exhaust system or head gasket, also need to be replaced.

2. Labor Intensive: Installing new exhaust valves requires a significant amount of time and labor, potentially leading to higher repair costs.

3. Risk of Damage: During the removal and installation process, there is a risk of damaging other engine components, such as the cylinder head or pistons.

The decision to buy a Pontiac 455 Exhaust Valve Set (Circle P/N PC2163EX) depends on the specific circumstances of your vehicle and your budget. If you're experiencing performance issues, rough idling, or other related symptoms, replacing the exhaust valves may be a necessary repair. However, if your engine is running smoothly and you're not experiencing any issues, it may be worth considering other repairs or maintenance tasks that could provide a greater return on investment. Ultimately, it's essential to weigh the advantages and disadvantages carefully before making a decision.

If you've determined that replacing the exhaust valves is the best course of action for your Pontiac 455 engine, it's important to ensure that you're purchasing a high-quality set from a reputable supplier, such as Circle Products. This will help ensure a proper fit and improved performance, while minimizing the risk of complications during installation. Additionally, consider having the work done by a qualified mechanic to help minimize the risk of damage to other engine components during the removal and installation process.

Details:

Perfect Circle USA MADE. 1973 1974 Pontiac 455 ci V8 Exhaust Valves except Super Duty Quantity: 8 eight.

part #: pc2163ex price

• $150.00

specifications voomvalve:

• for models: 455
• for makes: Pontiac
• for years: 1973-1974
• brand: Perfect Circle
• mpn: Pc2163ex
• type: Exhaust Valve
• oe/oem part number: 489846
• features: Usa Made
• material: Steel
• vintage part: Yes
• country/region of manufacture: United States
• finish: Polished

seller voomvalve:

• city: Vinton, Virginia
• # reviews: 16078
• rating: 99.7%

shipping voomvalve:

• cost: $0.00
• transit: 4-7 Days
• service: Expedited
• class: Expedited
• type: Fixed

general voomvalve:

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

payments voomvalve:

• credit card: Mastercard
• other
• wallet: Paypal

offer voomvalve:

• availability: In Stock
• sold: 0
• quantity: 1
• started: May 1, 2025
• options: Ship-to-home

returns voomvalve:

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

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