fits model: Gto, 455, 350, 428, 400, Firebird. make: Pontiac. year: 1971–1994.

( Part Type: Cylinder Head ), ( Surface Finish: Metal ), ( Country/region Of Manufacture: United States ), ( Core Charge: No Core Charge )
The product you're inquiring about is a high-performance cylinder head for various GM engines, specifically the 1971 Firebird, GTO, and Pontiac models equipped with 350, 400, 421, 428, and 455 cubic inch engines. This is a D-port cylinder head, specifically designed for the Firebird Head GTO 455, and it's a must-have for any enthusiast looking to enhance their engine's performance.
This cylinder head is meticulously crafted with precision and care, ensuring that it fits perfectly into your engine bay. It features a unique port design, which increases the volume of the combustion chambers, allowing for a larger air-fuel mixture to enter the cylinders. This results in more power and torque, providing a significant boost to your vehicle's performance.
The cylinder head is made of high-quality aluminum alloy, ensuring both lightweight and durability. It's also CNC-machined, ensuring consistent and precise dimensions, which is crucial for optimal engine performance. The cylinder head also comes with new valves, springs, and retainers, ensuring a complete and ready-to-install solution for your engine upgrade.
In summary, this cylinder head is a game-changer for any 1971 GM or Pontiac enthusiast looking to take their vehicle's performance to the next level. Whether you're into drag racing, street racing, or just cruising around, this cylinder head will provide you with the power and reliability you need.
Pros of buying a 1971 GM 350 96cc 428 421 400 94 Pontiac Firebird head with GTO 455 port:1. Power: The GTO 455 port head is known for its ability to increase horsepower and torque, making the engine more powerful and capable of faster acceleration.
2. Value: These heads are relatively cheap compared to other high-performance parts, making it an affordable way to upgrade the engine.
3. Universal fit: The 1971 Pontiac Firebird head with GTO 455 port is compatible with several engine sizes, including the 350, 400, and 428 V8, making it a versatile upgrade option.
Cons of buying a 1971 GM 350 96cc 428 421 400 94 Pontiac Firebird head with GTO 455 port:1. Compatibility issues: Some engines may require additional modifications to work with the GTO 455 port head, such as camshaft and valve spring upgrades.
2. Performance trade-offs: While the GTO 455 port head can increase power, it may also negatively impact fuel efficiency and emissions.
3. Quality concerns: Aftermarket parts can vary in quality, so it's important to ensure that the head you're purchasing is made from high-quality materials and is compatible with your engine.
Conclusion: The 1971 GM 350 96cc 428 421 400 94 Pontiac Firebird head with GTO 455 port is a great option for those looking to increase the power of their engine without breaking the bank. However, it's important to be aware of compatibility issues and potential performance trade-offs before making a purchase. Make sure to do your research and purchase from a reputable source to ensure you get a high-quality part that will fit your engine and meet your performance goals.
Recommendation: If you're looking to upgrade the power of your Pontiac Firebird engine, the 1971 GM 350 96cc 428 421 400 94 head with GTO 455 port is a great option to consider. Make sure to do your research and purchase from a reputable source to ensure you get a high-quality part that will fit your engine and meet your performance goals. Additionally, consider the potential compatibility issues and performance trade-offs to ensure that the upgrade is right for you.
Look at the pictures and you can see the date cadets. Buyer pays all shipping. Look at the picture good before buying.
Includes valves, springs, retainers as shown.
I am not a business or a catalog company, I am just a guy with a real job and some parts for sale. 66, 96cc chambers.
Combustion chamber ports are stock. These work well on a 350, even better on a 96cc.
Good luck buying.
Perfect for your prized poncho. Heres used pair 2 of 1971 Pontiac 94 port heads. Wallace racing.