fits model: Ds, Fl, Glide. make: Harley, Davidson. year: 1958–1964.

( Brand: Drag Specialties ), ( Manufacturer Part Number: 8470854 ), ( Part Type: Spark Plug ), ( Warranty Details: See Manufacturer )
Introducing the 1958-1964 DS Performance Spark Plugs specifically designed for Harley-Davidson FL Duo Glide models, part number 8470854. These high-performance spark plugs are engineered to deliver superior ignition and prolong engine life in your classic Harley-Davidson.
The DS Performance spark plugs feature a nickel-chromium alloy center electrode that provides excellent heat conductivity and resistance to wear, ensuring consistent ignition performance and longer plug life. The platinum-tipped ground electrode provides a more precise spark, improving combustion efficiency and reducing misfires.
These spark plugs are also designed with a copper core, which helps dissipate heat away from the spark plug tip, preventing pre-ignition and ensuring reliable ignition even under high-load conditions. The heat range of these spark plugs is suitable for Harley-Davidson engines, providing the right balance between ignition efficiency and cooling.
The DS Performance spark plugs are easy to install and are a direct replacement for the original Harley-Davidson spark plugs. They are designed to fit perfectly in your FL Duo Glide engine, ensuring a seamless fit and no issues with clearance or compatibility.
By upgrading to these DS Performance spark plugs, you can expect improved engine performance, increased fuel efficiency, and reduced engine wear. These spark plugs are an excellent investment for any Harley-Davidson enthusiast looking to enhance the performance and longevity of their classic FL Duo Glide.
Pros of using 1958-1964 DS Performance Spark Plugs for Harley-Davidson FL Duo Glide 8470854:1. Improved engine performance: DS Performance spark plugs are designed to deliver a stronger spark, which can help improve engine performance and increase power output.
2. Longer lifespan: DS Performance spark plugs are made with high-quality materials and are engineered to last longer than standard spark plugs.
3. Enhanced fuel efficiency: By delivering a stronger spark, DS Performance spark plugs can help improve fuel efficiency and reduce fuel consumption.
4. Better cold-start performance: DS Performance spark plugs are designed to perform well in cold temperatures, which can help improve cold-start performance and reduce the need for excessive choke use.
Cons of using 1958-1964 DS Performance Spark Plugs for Harley-Davidson FL Duo Glide 8470854:1. Higher cost: DS Performance spark plugs are usually more expensive than standard spark plugs, which may be a deterrent for some riders.
2. Potential for misfit: It is important to ensure that the DS Performance spark plugs you purchase are the correct fit for your Harley-Davidson FL Duo Glide 8470854, as using the wrong spark plugs can cause engine damage.
3. Potential for over-sparking: DS Performance spark plugs deliver a stronger spark than standard spark plugs, which can potentially lead to over-sparking if not properly tuned. Over-sparking can cause engine damage and reduce engine performance.
Conclusion:DS Performance spark plugs can offer improved engine performance, longer lifespan, enhanced fuel efficiency, and better cold-start performance for Harley-Davidson FL Duo Glide 8470854. However, they are more expensive than standard spark plugs, and it is important to ensure that they are the correct fit for your motorcycle and that they are properly tuned to avoid over-sparking. If you are looking to improve your motorcycle's performance and are willing to invest in high-quality spark plugs, DS Performance spark plugs may be a good option for you.
Recommendation:If you are considering using DS Performance spark plugs for your Harley-Davidson FL Duo Glide 8470854, we recommend doing your research and ensuring that you are purchasing the correct fit for your motorcycle. Additionally, we recommend consulting with a qualified mechanic or tuner to ensure that the spark plugs are properly installed and tuned to avoid over-sparking. With proper installation and tuning, DS Performance spark plugs can help improve your motorcycle's performance and reduce maintenance costs over time.
Fit guide model performance spark plug typeresistorthread14mm thread reach 5 16 in. Copper core electrode prevents oxidation and corrosion, has good electrical heat conductivity creates long spark plug service life.
Multi-layer gaskets and heat crimping process ensure a leak free, gas tight seal. Insulator is made of 95 pure alumina, features strong resistance to heat shock and superior insulation. Ds performance spark plugs Harley-davidson Fl duo Glide conventional with a black ceramic body and bold red logo script.
Wrench size 13 16 in.
Nickel plated housing prevents oxidation and corrosion. Sold in pairs note: replaces oem part multi rib design of the insulator eliminates Flash over.