fits model: Trx400ex. make: Honda. year: 1999–2007.

( Manufacturer Part Number: 12310-HN1-000 ), ( Part Type: Valve Cover Cylinder Head Arm Engine ), ( Engine Type: 4-stroke )
The Honda 12310-hn1-000 is a high-quality replacement cylinder head valve cover and rocker arm assembly specifically designed for the 1999-2007 models of the Honda TRX400EX and 400EX. This essential engine component is constructed with precision and durability in mind, ensuring a reliable and long-lasting fit for your vehicle.
The cylinder head valve cover is made of resilient, corrosion-resistant material. It features a sleek, streamlined design that fits seamlessly onto your engine, with precise openings for the necessary bolts and connections. The valve cover also comes equipped with a gasket to ensure a tight seal, preventing the ingress of engine oil and other harmful contaminants.
The rocker arm assembly, an integral part of the valvetrain, is also meticulously crafted. It consists of sturdy rocker arms that smoothly guide the valves as they open and close, ensuring optimal engine performance. Each rocker arm is equipped with durable, high-tensile steel pushrods that transmit engine power efficiently.
Installing the Honda 12310-hn1-000 cylinder head valve cover and rocker arm assembly is a straightforward process. The kit comes complete with all necessary hardware, including new bolts and nuts, making installation a breeze. With clear and easy-to-follow instructions, you can quickly and securely replace your old, worn-out parts with this high-quality replacement set.
In summary, the Honda 12310-hn1-000 cylinder head valve cover and rocker arm assembly is a must-have for any Honda TRX400EX or 400EX owner looking to maintain the performance and longevity of their engine. With its robust construction, precise fit, and straightforward installation, this replacement kit is an excellent investment for your Honda ATV.
Pros of buying a Honda TRX400EX 1999-2007 cylinder head, valve cover, and rocker arm:1. Compatibility: This replacement part is specifically designed for the Honda TRX400EX model years 1999-2007, ensuring a perfect fit and compatibility with your machine.
2. Quality: Honda is known for its high-quality parts, and this one is no exception. The cylinder head, valve cover, and rocker arm are all made to last, providing reliable performance and durability.
3. Reliability: This replacement part is designed to restore the original functionality of your engine, ensuring smooth operation and minimizing the risk of engine issues.
4. Availability: Replacement parts for Honda ATVs are widely available, making it easy to find and purchase this part if needed.
Cons of buying a Honda TRX400EX 1999-2007 cylinder head, valve cover, and rocker arm:1. Cost: Replacement parts can be expensive, and this set might not be an exception. However, the investment in a high-quality part like this can pay off in the long run by reducing the need for more frequent repairs.
2. Installation: While the part itself is straightforward, the installation process might require some mechanical skills or professional assistance, which could add to the overall cost.
3. Age of the vehicle: If your Honda TRX400EX is an older model, you might want to consider the overall condition of the rest of the vehicle and whether the cost of this replacement part is justified.
Recommendation:If you're looking for a high-quality replacement part for your Honda TRX400EX 1999-2007, this cylinder head, valve cover, and rocker arm set is a reliable choice. However, consider the cost and whether the investment is justified for your specific situation. If you're not comfortable with the installation process, it may be worth considering hiring a professional mechanic to ensure the job is done correctly.
OEM Valve Cover / Rocker Arms Assembly. No cracks, breaks or repairs seen. MPN: 12310-HN1-000. Mounting points and mating surfaces are all intact.
These parts were removed from a 1999 Honda TRX400EX If your vehicle is different than this, be sure to verify fitment. Unit is in good working condition. Fitment Guarantee.