fits model: Si, Civic. make: Honda. year: 2002–2006.

( Manufacturer Part Number: PNL-2 ), ( Type: Cylinder Head Assembly )
The Honda PNL-2 02-06 Civic SI EP3 K20A3 Bare Cylinder Head is a high-performance component designed specifically for the enthusiast looking to upgrade their Honda Civic SI engine. This cylinder head is a bare unit, meaning it does not include any additional parts such as valves, camshaft, or valve springs.
The EP3 K20A3 cylinder head is a direct replacement for the stock K20A2 head found in the 2002-2006 Honda Civic SI. It features a larger intake and exhaust port design, allowing for increased air and fuel flow into the engine. This improved airflow can result in increased horsepower and torque, providing a more thrilling driving experience.
The cylinder head is made from high-quality aluminum alloy, ensuring it is both lightweight and durable. It also features a four-valve per cylinder configuration, with a 28.5mm intake and 22.0mm exhaust valve size. The valve seats are also machined to ensure a proper seal, reducing the likelihood of leaks and enhancing engine performance.
The PNL-2 cylinder head is also equipped with larger 38mm intake and 28mm exhaust valve guides, which can improve airflow and reduce heat buildup in the head. It also includes a new cylinder head gasket, ensuring a proper seal between the cylinder head and engine block.
In summary, the Honda PNL-2 02-06 Civic SI EP3 K20A3 Bare Cylinder Head is a high-performance upgrade for your Honda Civic SI engine. Its larger intake and exhaust port design, improved valve sizes, and durable construction can result in increased horsepower, torque, and overall engine performance.
Pros of buying a Honda PNL-2 02-06 Civic SI EP3 K20A3 bare cylinder head:1. Cost-effective: Buying a bare cylinder head is generally less expensive than purchasing a fully rebuilt or remanufactured head.
2. Customization: A bare head allows you to choose your own components, such as valves, springs, and camshaft, to achieve your desired performance level.
3. Availability: Bare cylinder heads are often easily available from aftermarket suppliers, ensuring a quick and easy purchase.
Cons of buying a Honda PNL-2 02-06 Civic SI EP3 K20A3 bare cylinder head:1. Requires expertise: Installing a bare cylinder head requires a certain level of mechanical knowledge and experience.
2. Potential for errors: If not installed properly, there is a risk of damaging other engine components or causing performance issues.
3. Potential for subpar quality: If not purchased from a reputable supplier, there is a risk of receiving a cylinder head with poor quality parts or machining.
Conclusion:Buying a Honda PNL-2 02-06 Civic SI EP3 K20A3 bare cylinder head can be a cost-effective and customizable option for those with the mechanical expertise to install it properly. However, it is important to ensure the cylinder head is purchased from a reputable supplier to avoid potential quality issues. If you are not confident in your mechanical abilities, it may be worth considering a fully rebuilt or remanufactured head instead.
Recommendation:If you are considering purchasing a bare cylinder head, it is recommended to research and compare prices and quality from various aftermarket suppliers. Additionally, consider seeking advice from a knowledgeable mechanic to ensure the cylinder head is suitable for your specific needs and to help with the installation process.
Item in good used condition.