fits model: S2000. make: Honda. year: 2006–2009.

( Manufacturer Part Number: 12100-PZX-000 ), ( Engine Type: 4-stroke ), ( Type: Cylinder Head Assembly ), ( Country/region Of Manufacture: Japan ), ( UPC: 000102030405 )
The Honda 12100-PZX-000 is an authentic OEM (Original Equipment Manufacturer) cylinder head specifically designed for the 2006-2009 Honda S2000 AP2 models. This essential engine component tailored for the S2000 sports car offers excellent performance and reliability for Honda enthusiasts seeking to upgrade their vehicles or repair damaged cylinder heads.
The bore of this cylinder head measures 92.1mm x 75.1mm (3.626 inches x 2.953 inches), which conforms to the S2000 AP2's factory specifications. With four individually controlled camshafts, this cylinder head enables precise valve adjustment for optimal cylinder filling and efficient combustion, contributing to the S2000's renowned power and performance.
Each Honda 12100-PZX-000 cylinder head is manufactured using Honda's advanced technologies and craftsmanship. It features a 32-valve DOHC (Double Overhead Camshaft) design, ensuring proper intake and exhaust flow for each cylinder in your engine. Additionally, it incorporates a high-performance aluminum alloy construction, suitable for high-temperature applications and optimizing engine efficiency.
The Honda OEM cylinder head provides excellent sealing against combustion gases and air leakage, enhancing overall engine compression, and ensuring a steady inflow and outflow of engine coolant through space provided for the coolant passages. This results in better heat dissipation for improved performance and decreased engine temperatures.
This Honda S2000 AP2 bare cylinder head comes in pristine NOS (New Old Stock) condition, meaning it remains unopened and untouched in its original packaging from its time of manufacture. The absence of any internal modifications makes it an excellent choice for rebuilds and engine builds to maintain the factory specifications or even enhance the performance level for the S2000 AP2.
When installing the new Honda 12100-PZX-000 cylinder head, it is crucial to ensure compatibility with other engine components such as rocker arms, camshafts, valves, and seals. The OEM nature of this component ensures seamless integration with factory parts and reduces the potential for complications that might arise from using aftermarket components or cylinder heads with various modifications.
In conclusion, the Honda 12100-PZX-000 NOS 2006-2009 S2000 AP2 bare cylinder head is a valuable investment for Honda S2000 owners looking to maintain or upgrade their vehicles' original specification or improve engine performance reliably. With its precise and efficient design, advanced technologies, OEM quality, and proven compatibility, this cylinder head is an ideal choice for returning your cherished Honda S2000 back to its best configuration.
The Honda S2000 is a beloved sports car known for its high-revving engine and exceptional handling. One common upgrade for S2000 enthusiasts is a bare cylinder head, which can potentially improve engine performance. Here is a brief analysis of the pros and cons of buying a Honda 12100-PZX-000, a popular aftermarket option.
II. Pros1. Potential Performance Increase
A bare cylinder head allows for extensive modification, such as porting, polishing, and valve jobs, to optimize air and fuel flow, potentially enhancing engine performance, maximizing horsepower, and boosting torque.
2. Customizability
Bare cylinder heads offer significant opportunities for customization, enabling owners to tailor the engine to their driving preferences, track usage, or competition requirements.
3. Durability
The OEM Honda 12100-PZX-000 cylinder head has a reputation for durability, making it an attractive choice for those seeking reliable performance upgrades.
4. Support from the Community
The aftermarket for bare cylinder heads, especially for the Honda S2000, is extensive, providing owners with a wide range of resources, tooling, and expertise to help them navigate the upgrade process.
5. Possibility of Better Compatibility
Some users report that the Honda 12100-PZX-000 cylinder head can provide better compatibility with aftermarket camshafts and other performance parts than the OEM cylinder head, providing more extensive engine tuning opportunities.
III. Cons1. Complexity and Labor Intensive
Installing a bare cylinder head requires expertise and specialized tools, potentially resulting in higher labor costs and added complexity compared to easier bolt-on engine components.
2. Risk of Damage
Modifying a cylinder head can potentially result in damage, such as warpage or cracking, if not performed properly, which can be costly and time-consuming to repair.
3. Lack of OEM Warranty
Buying a bare cylinder head from the aftermarket eliminates the warranty protection that comes with an OEM part. Any issues or damages during the upgrade process would be the responsibility of the owner.
4. Potential for Uneven Performance
The time, expertise, and care invested in modifying a cylinder head can greatly impact the performance increase and consistency. Improper setup or installation could lead to uneven or inconsistent engine performance.
5. Cost
A bare cylinder head upgrade can come with a significant financial investment, including the cost of the cylinder head, any additional parts, tools, labor, and potentially expensive repairs or modifications to get the best performance.
IV. ConclusionA Honda 12100-PZX-000 bare cylinder head for the S2000 can offer substantial performance improvements and customizability, but it also comes with a higher level of complexity, risk, and investment. Before deciding to take this upgrade route, potential buyers should weigh the pros against the cons, consider their experience level, available resources, and budget. They should thoroughly research the process, obtain the necessary knowledge, and potentially consult with a professional to ensure a successful and cost-effective modification.
V. RecommendationFor those looking to buy a Honda S2000 bare cylinder head, it is recommended to do extensive research on the upgrade process, seek guidance from professionals, and only invest in the project when fully committed, making sure to prioritize proper setup, skilled labor, and high-quality parts to maximize the potential performance gains while minimizing the risks. Additionally, ensuring a solid budget and adequate time to properly execute the upgrade plans can help guarantee a successful result.
New old stock, original equipment manufacturer 2006 2009 Honda S2000 AP2 BARE Cylinder Head Assembly. This is an unused part with zero miles.