fits make: Pontiac. year: 1955.

( Manufacturer Part Number: 518024 ), ( Part Type: Cylinder Head ), ( Placement On Vehicle: Left )
The 518024 1955 Pontiac 287 cast iron cylinder heads are a critical component of the classic Pontiac engine. These cylinder heads are meticulously crafted from high-quality cast iron, ensuring durability and reliability over time. They are designed to accommodate the 287 cubic inch V8 engine, which was a popular choice for Pontiac vehicles during the 1950s.
These cylinder heads feature a multi-port design, with four large intake ports and two exhaust ports per cylinder. This design allows for efficient air and fuel intake, which in turn boosts engine performance and power. The ports are shaped and sized to provide optimal airflow, resulting in a more efficient combustion process.
The 518024 1955 Pontiac 287 cast iron cylinder heads also feature fully-machined combustion chambers, which provide a flat, smooth surface for the fuel-air mixture to ignite. This helps to improve engine efficiency and reduce the likelihood of detonation or pre-ignition.
The cylinder heads are equipped with high-quality valves and springs, which are designed to provide precise valve lift and control. The valves are made from durable materials that can withstand the high temperatures and pressures generated by the engine, ensuring reliable operation over time.
The cylinder heads also feature fully-machined intake and exhaust ports, which provide a smooth, polished surface for optimal sealing and gas flow. This helps to reduce engine friction and improve overall performance.
In summary, the 518024 1955 Pontiac 287 cast iron cylinder heads are a high-quality, reliable replacement for original or damaged cylinder heads. Their multi-port design, fully-machined combustion chambers, and high-quality valves and springs make them an excellent choice for restoring or upgrading the performance of a classic Pontiac engine.
Pros of buying 518024 1955 Pontiac 287 cast iron cylinder heads:1. Durability: Cast iron cylinder heads are known for their durability and ability to withstand high heat and pressure, making them a popular choice for old-school car enthusiasts.
2. Affordability: Compared to modern aluminum cylinder heads, cast iron heads are often more affordable, making them a cost-effective option for restoring or upgrading a classic car.
3. Authenticity: For classic car enthusiasts, using original or period-correct parts like the 518024 1955 Pontiac 287 cast iron cylinder heads can add to the car's authenticity and value.
Cons of buying 518024 1955 Pontiac 287 cast iron cylinder heads:1. Weight: Cast iron is heavier than aluminum, which can impact the car's performance and fuel efficiency.
2. Heat dissipation: Cast iron may not dissipate heat as efficiently as aluminum, which could lead to overheating issues.
3. Availability: Finding original or new 518024 1955 Pontiac 287 cast iron cylinder heads can be challenging, which could limit your options and increase the cost.
Conclusion: If you're restoring or upgrading a classic 1955 Pontiac with a 287 engine, the 518024 cast iron cylinder heads can be a great choice for their durability and authenticity. However, you should consider the potential impact on performance, fuel efficiency, and availability before making a purchase. It's always a good idea to consult with a professional mechanic or do thorough research to ensure that you're making the best decision for your car.
Recommendation: If you're set on using cast iron cylinder heads, make sure to choose high-quality parts from a reputable supplier. Consider the condition of the heads and whether they need any repairs or modifications before installation. Additionally, consider working with a professional mechanic who has experience with your car model and engine to ensure that the installation is done correctly and safely.
Size of box is 9x12x24. Numbers on the heads are, these came off same motor. Item is set of 1955 Pontiac chieftain 287 cast iron cylinder heads in as found condition.
Item is from an estate. Items were removed in 1960 and placed on shelf this good condition.