fits model: Sportster. make: Harley. year: 1979–1985.

( Brand: Harley-davidson ), ( Manufacturer Part Number: 18168-79A ), ( Part Type: Valve Exhaust Guide )
The 1979-1985 Harley-Davidson Sportster XL Exhaust Valve Stem, part number 18168-79A, is an essential component for maintaining the optimal performance of your classic Harley-Davidson motorcycle. This valve stem is specifically designed for the Sportster XL model's exhaust system, produced between 1979 and 1985.
Manufactured to meet Harley-Davidson's high-quality standards, this exhaust valve stem is constructed from durable materials that can withstand the rigors of regular use and the harsh conditions that motorcycles often encounter. The stem features a precise fit and finish, ensuring a secure and leak-free connection with your exhaust system.
The valve stem plays a crucial role in regulating the flow of exhaust gases from the engine to the exhaust system, which is vital for proper engine performance and emissions compliance. Replacing a worn-out or damaged valve stem with a new one can help improve engine performance, reduce exhaust backpressure, and prevent harmful exhaust leaks.
Installing the 1979-1985 Harley-Davidson Sportster XL Exhaust Valve Stem is a straightforward process that can be completed with basic hand tools and a bit of patience. The kit typically includes the valve stem and any necessary gaskets or seals to ensure a proper seal between the valve stem and the exhaust system.
In conclusion, the 1979-1985 Harley-Davidson Sportster XL Exhaust Valve Stem, part number 18168-79A, is an essential upgrade for any classic Harley-Davidson Sportster XL owner. By replacing worn-out or damaged valve stems, you can improve engine performance, reduce exhaust backpressure, and prevent harmful exhaust leaks, ensuring your motorcycle continues to run smoothly and reliably for years to come.
Pros of buying a 1979-1985 Harley Davidson Sportster XL exhaust valve stem (part number 18168-79a):1. OEM Compatibility: This part is an original equipment manufacturer (OEM) replacement, ensuring a perfect fit and compatibility with your Harley Davidson Sportster XL.
2. Quality and Durability: Harley Davidson is known for its high-quality components, and this exhaust valve stem is no exception. It is designed to withstand the rigors of regular use, providing reliable performance over time.
3. Easy Installation: As an OEM part, it should be simple to install, and you may even be able to use the existing hardware.
Cons of buying a 1979-1985 Harley Davidson Sportster XL exhaust valve stem (part number 18168-79a):1. Limited Availability: OEM parts may not always be readily available, especially for older models like the Sportster XL from the 1970s and 1980s.
2. Potentially Higher Cost: OEM parts can be more expensive than aftermarket alternatives. However, the high quality and reliable performance of OEM parts may justify the higher cost in the long run.
Conclusion and Recommendation:If you value originality, reliability, and performance, and if you are able to find the part at a reasonable price, then purchasing the OEM exhaust valve stem (part number 18168-79a) for your 1979-1985 Harley Davidson Sportster XL is a solid choice. However, if you are on a tight budget or if the OEM part is not readily available, you may want to consider an aftermarket alternative that offers comparable quality and performance at a lower cost. Ultimately, the decision to purchase an OEM part or an aftermarket alternative will depend on your specific needs, preferences, and budget.
79 - 85 Harley Davidson Sportster Iron head. Exhaust Valve Guide. PCL7 275 0823 2022.