fits model: Shovelhead. make: Harley.

( Brand: Manley ), ( Manufacturer Part Number: 99120 ), ( Part Type: Intake Valve Guide )
The Manley Intake Valve, part number 18163-48 99120, is a high-performance aftermarket replacement for pre-1979 Harley-Davidson Shovelhead engines. This intake valve is manufactured by Manley, a renowned brand known for its top-tier performance and durability in the automotive industry.
The Manley Intake Valve is designed specifically for Shovelhead engines, ensuring a perfect fit and seamless integration into your engine. The valve is crafted from premium materials, including a high-quality stainless steel valve head and a hardened valve seat. This combination ensures superior strength and longevity, allowing the valve to withstand the rigors of high-performance use.
The Manley Intake Valve features a wide intake port, allowing for optimal airflow into the engine. This increased airflow can lead to improved engine performance, including increased horsepower and torque. The valve also includes a wider valve stem, which provides for a more robust connection to the valve guide and reduces the risk of stem breakage.
The Manley Intake Valve is also designed with performance-enhancing features, such as a more aggressive valve angle and a sharper valve tip. These features allow for better gas flow and reduced turbulence, further improving engine performance.
In addition to its performance benefits, the Manley Intake Valve is also designed with ease of installation in mind. The valve comes with a precision-machined valve seat, eliminating the need for additional machining during installation. This can save you time and money, while also ensuring a more accurate fit and improved sealing.
Overall, the Manley Intake Valve, part number 18163-48 99120, is a high-quality, performance-enhancing replacement for pre-1979 Harley-Davidson Shovelhead engines. Its premium materials, wide intake port, and performance-enhancing features make it an excellent choice for any Shovelhead enthusiast looking to improve their engine's performance and reliability.
Pros of buying a pre-1979 Manley intake valve for a Harley-Davidson Shovelhead 18163-48 99120:1. Improved engine performance: Manley intake valves are known for their high-quality materials and precise manufacturing, which can lead to improved engine performance, including increased horsepower and torque.
2. Enhanced durability: Manley intake valves are made of high-strength materials and have a longer lifespan than stock intake valves, which can help reduce the need for frequent repairs or replacement.
3. Better throttle response: Manley intake valves can improve throttle response, allowing the engine to respond more quickly to changes in throttle position.
Cons of buying a pre-1979 Manley intake valve for a Harley-Davidson Shovelhead 18163-48 99120:1. Cost: Manley intake valves can be more expensive than stock intake valves, and the installation cost can also add up.
2. Potential compatibility issues: While Manley intake valves are generally compatible with Harley-Davidson engines, there may be some compatibility issues that require additional modifications or adjustments.
3. Possible engine noise: Some riders have reported that installing Manley intake valves can result in an increase in engine noise, which may not be desirable for all riders.
Conclusion: If you are looking for improved engine performance, enhanced durability, and better throttle response for your Harley-Davidson Shovelhead 18163-48 99120, a pre-1979 Manley intake valve may be a worthwhile investment. However, you should consider the additional cost and potential compatibility issues before making a purchase. It's always a good idea to consult with a professional mechanic or Harley-Davidson dealer to ensure that the Manley intake valve is the best fit for your specific engine.
Recommendation: If you decide to purchase a Manley intake valve for your Harley-Davidson Shovelhead, make sure to choose a reputable dealer and follow the installation instructions carefully. Additionally, consider having the valve installed by a professional mechanic to ensure proper installation and to minimize the risk of compatibility issues.
I'm always happy to answer any questions, and glad combine shipping save you money.
New old stock, removed from package to check surface.
Clean and undamaged. Check my other listings.