fits model: Ds. make: Harley. year: 1981–1984.

( Brand: Drag Specialties ), ( Manufacturer Part Number: 8470644 ), ( Part Type: Spark Plug )
Introducing the 8470644 DS Performance Spark Plugs, specifically designed for Harley-Davidson FLHS Sport models from 1981 to 1984 and 1987 to 1993. These high-performance spark plugs are engineered to deliver exceptional ignition performance, ensuring a smoother, more powerful ride for your beloved Harley-Davidson.
The DS Performance spark plugs are made with a unique, nickel-plated, copper center electrode, which provides superior heat conductivity and reduces spark plug fouling. This feature allows for a more consistent and reliable ignition, resulting in improved engine performance and fuel efficiency.
Their iridium-tipped ground electrodes are designed to provide a longer lifespan, reducing the need for frequent replacements. The iridium material is highly resistant to wear and tear, ensuring that the spark plugs maintain their performance even under high-stress riding conditions.
The DS Performance spark plugs also feature a high-temperature resistant insulator nose, ensuring that they can withstand the intense heat generated by your Harley-Davidson's engine. This feature also helps to prevent misfires and engine knocking, further enhancing your bike's performance and reliability.
Installing the DS Performance spark plugs is a straightforward process, thanks to their easy-to-install design. Each spark plug comes with a gasket, ensuring a secure fit and preventing any leaks or engine damage.
In summary, the 8470644 DS Performance Spark Plugs are the ideal choice for Harley-Davidson FLHS Sport riders looking to enhance their bike's performance and reliability. With their unique design features, including a nickel-plated, copper center electrode, iridium-tipped ground electrode, and high-temperature resistant insulator nose, these spark plugs are sure to provide consistent ignition and improve your riding experience.
Pros of buying 8470644 DS Performance Spark Plugs for Harley-Davidson FLHS Sport (81-84, 87-93):1. Improved engine performance: DS Performance spark plugs are designed to deliver a stronger spark, which can help improve engine performance, increase horsepower, and enhance overall engine efficiency.
2. Longer lifespan: DS Performance spark plugs are made with high-quality materials and are designed to last longer than standard spark plugs, reducing the need for frequent replacements.
3. Enhanced fuel efficiency: By improving engine performance, DS Performance spark plugs can also help improve fuel efficiency, saving riders money on gas.
4. Easy installation: DS Performance spark plugs are easy to install and replace, making it a quick and simple upgrade for riders who want to improve their bike's performance.
Cons of buying 8470644 DS Performance Spark Plugs for Harley-Davidson FLHS Sport (81-84, 87-93):1. Higher cost: DS Performance spark plugs are generally more expensive than standard spark plugs, which may be a deterrent for some riders who are looking for an affordable upgrade option.
2. Potential for engine noise: Some riders have reported that DS Performance spark plugs can cause an increase in engine noise, which may be a concern for those who value a quiet ride.
3. Requires regular maintenance: Although DS Performance spark plugs are designed to last longer than standard spark plugs, they still require regular maintenance and inspection to ensure optimal performance.
Conclusion:If you're looking for a spark plug upgrade that can improve your Harley-Davidson FLHS Sport's engine performance and fuel efficiency, the 8470644 DS Performance spark plugs may be a worthwhile investment. While they are more expensive than standard spark plugs, their longer lifespan and improved performance can help offset the cost over time. However, it's important to consider the potential for increased engine noise and the need for regular maintenance before making a purchase. Ultimately, the decision to buy DS Performance spark plugs depends on your priorities and budget.
Recommendation:If you're interested in upgrading your Harley-Davidson FLHS Sport's spark plugs, we recommend researching the specific benefits and drawbacks of the 8470644 DS Performance spark plugs to determine if they are the right fit for your bike and riding style. Consider factors such as cost, performance improvements, and maintenance requirements before making a purchase. Additionally, it may be helpful to read reviews from other riders who have used DS Performance spark plugs to get a better sense of their overall effectiveness and reliability.
Copper core electrode prevents oxidation and corrosion, has good electrical heat conductivity creates long spark plug service life. Insulator is made of 95 pure alumina, features strong resistance to heat shock and superior insulation. Sold in pairs note: equivalent to Gk brp4es-11 spark plugs.
Ds performance spark plugs hot Harley flhs sport 81-84,87-93 conventional with a black ceramic body and bold red logo script. Thread reach.
Multi-layer gaskets and heat crimping process ensure a leak free, gas tight seal.
Multi rib design of the insulator eliminates flash over. Nickel plated housing prevents oxidation and corrosion. Fit guide model performance spark than stock thread 12 size 5 8 in.