fits model: Ds, Sportster, Roadster. make: Harley.

( Brand: Drag Specialties ), ( Manufacturer Part Number: 8470840 ), ( Part Type: Spark Plug )
XLS1000 DS Performance Spark Plugs are specifically designed for Harley-Davidson Sportster Roadsters from the years 1979 to 185. With part number 8470840, these spark plugs are a must-have for any Sportster enthusiast looking to optimize their engine performance.
The XLS1000 DS Performance Spark Plugs feature a 0.400 inch gap, which is ideal for the air-cooled, OHV engines found in Harley-Davidson Sportsters. TheDS (Double Silicone) insulator design provides superior heat transfer, ensuring consistent spark energy throughout the combustion cycle. This results in improved performance, increased fuel efficiency, and reduced engine wear.
The XLS1000 DS Performance Spark Plugs are made with a high-quality nickel alloy center electrode and a platinum-iridium ground electrode. These materials ensure a long lifespan, even under the high-temperature and high-vibration conditions found in Harley-Davidson engines. The platinum-iridium ground electrode also provides a more stable spark, which can help to reduce misfires and improve engine performance.
The XLS1000 DS Performance Spark Plugs are easy to install and come with a copper core spark plug wire boot for added durability. The boots are designed to fit securely on the plug and provide excellent electrical conductivity, ensuring a reliable spark every time.
In summary, the XLS1000 DS Performance Spark Plugs are a high-quality upgrade for Harley-Davidson Sportster Roadsters from 1979 to 1985. With their DS insulator design, nickel alloy center electrode, platinum-iridium ground electrode, and copper core spark plug wire boot, these spark plugs are designed to improve engine performance, increase fuel efficiency, and reduce engine wear. Order your XLS1000 DS Performance Spark Plugs today and experience the difference they can make in your Harley-Davidson Sportster Roadster.
Pros of buying XLS1000 DS Performance Spark Plugs (040 gap) for Harley Sportster Roadster (79-85):1. Enhanced Performance: These spark plugs are designed to improve engine performance and fuel efficiency. They can help your bike run smoother and more efficiently.
2. Longer Life Span: XLS1000 DS Performance Spark Plugs are known for their durability. They can last longer than standard spark plugs, reducing the frequency of replacements.
3. High Quality Material: These spark plugs are made from high-quality materials that can withstand the harsh conditions of a motorcycle engine.
4. Easier Ignition: The XLS1000 DS Performance Spark Plugs have a 040 gap, which can make it easier for your engine to ignite the fuel, improving performance and reducing the likelihood of misfires.
Cons of buying XLS1000 DS Performance Spark Plugs (040 gap) for Harley Sportster Roadster (79-85):1. Higher Price: Compared to standard spark plugs, these high-performance spark plugs can be more expensive.
2. Requires Professional Installation: While the spark plugs themselves are not difficult to replace, the installation process can be more complex than with standard plugs. It's recommended to have a professional mechanic or someone with experience install them to ensure they're installed correctly.
3. Not Necessary for All Bikes: If your Harley Sportster Roadster (79-85) is running well with standard spark plugs, there may not be a significant enough performance improvement to justify the cost of these high-performance plugs.
Conclusion:If you're looking to improve the performance of your Harley Sportster Roadster (79-85) and are willing to invest in high-quality spark plugs, the XLS1000 DS Performance Spark Plugs (040 gap) could be a good choice. However, if your bike is running well with standard plugs and you're not looking to spend the extra money, there may not be a significant enough benefit to justify the upgrade.
Recommendation:If you're unsure whether these high-performance spark plugs are right for your bike, it's a good idea to consult with a professional mechanic or someone with experience with Harley Sportsters. They can help you assess whether the potential performance improvements are worth the cost and whether your bike is likely to benefit from the upgrade.
Insulator is made of 95 pure alumina, features strong resistance to heat shock and superior insulation. Multi rib design of the insulator eliminates flash over.
Ds performance spark plugs. Fit guide model performance spark gap. Copper core electrode prevents oxidation and corrosion, has good electrical heat conductivity creates long spark plug service life.
Nickel plated housing prevents oxidation and corrosion.
Multi-layer gaskets and heat crimping process ensure a leak free, gas tight seal. Sold in pairs note: replaces oem part 4r5.