fits make: Porsche.

( Manufacturer Part Number: 616-04-205 ), ( Type: Cylinder Head ), ( Country/region Of Manufacture: Germany )
The Porsche 616-04-205 356 912 Cylinder Heads are a crucial component for any Porsche 356 engine enthusiast or restoration project. These cylinder heads were specifically designed for the 912 model, which was the entry-level Porsche in the 1960s.
The Porsche 616-04-205 cylinder heads feature a unique design that allows for efficient combustion and power delivery. They are made from high-quality aluminum alloy, which is lightweight yet strong enough to withstand the extreme temperatures and pressures generated within the engine. The heads are equipped with four valves per cylinder, which, combined with the hemispherical combustion chambers, provide excellent airflow and combustion efficiency, resulting in superior engine performance.
The cylinder heads are also equipped with oversized valves and high-lift camshafts, which contribute to increased power output and a more aggressive engine sound. The heads also feature a unique intake port design that improves airflow and fuel-air mixture, further enhancing performance.
The Porsche 616-04-205 356 912 Cylinder Heads are a direct replacement for the original cylinder heads, and they are designed to fit perfectly into the engine bay. They are also known for their excellent fit and finish, with smooth surfaces and precise machining.
In conclusion, the Porsche 616-04-205 356 912 Cylinder Heads are a high-quality, performance-enhancing upgrade for any Porsche 356 engine. They provide excellent power delivery, improved airflow, and a more aggressive engine sound, making them an excellent choice for any Porsche 356 enthusiast or restoration project.
Pros of purchasing Porsche 616-04-205 356 912 cylinder heads:1. Authenticity: These cylinder heads are original parts for Porsche 356 912 models, ensuring a perfect fit and reliable performance.
2. Quality: Known for their durability and high-performance capabilities, Porsche cylinder heads are built to last and can enhance your car's engine performance.
3. Value retention: Investing in original Porsche parts can preserve the value of your vehicle, making it easier to sell or trade in the future.
Cons of purchasing Porsche 616-04-205 356 912 cylinder heads:1. Cost: Original Porsche parts, including cylinder heads, can be expensive due to their high-quality materials and manufacturing processes.
2. Availability: Limited availability of these parts may require searching through various sources, such as dealerships, auto salvage yards, or online marketplaces.
3. Installation complexity: Installing cylinder heads can be a challenging task, especially for those without experience in engine work, potentially requiring professional assistance.
Conclusion:While the cost and availability of original Porsche 616-04-205 356 912 cylinder heads may be a concern for some, the benefits of enhanced performance, improved reliability, and increased resale value make them a valuable investment for Porsche enthusiasts and owners. If you are considering purchasing these cylinder heads, weigh the pros and cons and ensure that the investment aligns with your budget and goals.
Recommendation:If you decide to proceed with the purchase, consider researching multiple sources for the best price and availability. Additionally, it may be beneficial to seek professional assistance during installation to ensure proper installation and minimize any potential issues.
These are a pair of heads for the 356/912 616 engine. Mating surfaces are, true and no cracks between the valves spark plug holes. The intake valves are 38mm and the exhausts 31. The intakes were machined to fit the oval sole 40 PII-4 carb manifolds, better flow.
The chambers have matching cc. The heads are complete with, new springs, Helicon's, valve guide seats, 4 intake valves, two exhaust valves the other two, were within specs.