fits model: 911, 307. make: Porsche.

( Manufacturer Part Number: 911.104.307.OR ), ( Type: Cylinder Head ), ( Material: Aluminum ), ( Country/region Of Manufacture: Germany ), ( Finish: Unfinished )
Experience the engineering excellence of the Porsche 911 (996) Flat Six Cylinder Heads. This premium replacement component, with part number 911.104.307.00, is designed to fit perfectly into your Porsche 911 (996) engine, ensuring seamless integration and optimal performance.
Crafted with meticulous precision, these cylinder heads are the epitome of Porsche's commitment to high-performance and durability. Each cylinder head is manufactured with a combination of lightweight alloy and robust construction materials, offering a balance between power and reliability.
The Porsche 911 (996) Flat Six Cylinder Heads feature four valves per cylinder, enabling superior airflow and combustion efficiency. This design, coupled with the precisely engineered intake and exhaust ports, ensures a potent and responsive engine character, delivering smooth power delivery across the rev range.
The heads are equipped with state-of-the-art valve actuation technology. This includes camshafts, rocker arms, and pushrods, all designed to work in harmony for precise valve control and optimal engine performance.
In addition, these cylinder heads are compatible with Porsche's VarioCam system, allowing for variable valve timing and lift for improved fuel efficiency, reduced emissions, and enhanced power output.
Installing these genuine Porsche 911 (996) Flat Six Cylinder Heads is a straightforward process, thanks to the detailed installation instructions provided. With a focus on both performance and ease of installation, these cylinder heads are the ideal choice for those seeking to maintain or enhance the performance of their Porsche 911 (996).
Upgrade your Porsche 911 (996) engine with these high-quality, precision-engineered cylinder heads. Experience the difference in performance, reliability, and driving pleasure that only genuine Porsche components can provide.
Porsche 911 (911.104.307) Cylinder Heads Overview: Pros:1. Performance: These cylinder heads are renowned for their high-performance capabilities, offering improved airflow, better cylinder combustion, and increased horsepower.
2. Quality: Porsche is known for its engineering excellence and attention to detail. These cylinder heads are made with precision, ensuring optimal performance and longevity.
3. Aesthetic Appeal: The Porsche name and the sleek design of these cylinder heads can add significant value and appeal to any car enthusiast's collection.
4. Durability: Porsche cylinder heads are designed to withstand high temperatures and pressures, making them suitable for racing and high-performance applications.
Cons:1. Cost: Porsche parts, in general, are expensive. These cylinder heads are no exception, making them a significant investment for many car owners.
2. Complexity: Installing these cylinder heads requires a high level of technical expertise. Improper installation can lead to engine damage.
3. Availability: Finding genuine Porsche cylinder heads may be challenging, especially for older models. This could lead to higher prices or the need to purchase replicas.
4. Compatibility: Ensure these cylinder heads are compatible with your specific Porsche 911 model and engine configuration before making a purchase.
Conclusion:If you are a serious Porsche enthusiast or a racer looking for improved performance, the Porsche 911 (911.104.307) cylinder heads could be an excellent investment. However, be prepared for the high cost, the need for technical expertise, and potential compatibility issues. If you're a casual driver or on a tight budget, you might want to consider other, more affordable options.
Recommendation:For those who can afford the investment and have the necessary technical expertise, purchasing genuine Porsche 911 (911.104.307) cylinder heads could significantly improve the performance of your Porsche 911. For others, it's recommended to consider other alternatives that may be more cost-effective and suitable for your needs and skill level. Always ensure to consult with a professional mechanic before making any significant modifications to your vehicle.
Valves and springs still installed. One head has three bolts fused to the heads bore holes and were cut remove that. Buyer pays shipping cost. A second head has some corrosion and fin distortion.
Six Porsche rare 1970 911 2.2S core cylinder heads with a build date of 10/69 and pert number 911.104.307.OR.