fits model: Xlh1000, Ds, 1000, Sportster. make: Harley.

( Brand: Drag Specialties ), ( Manufacturer Part Number: 8470839 ), ( Part Type: Spark Plug )
Introducing the 8470839 DS Performance Spark Plugs, specifically designed for Harley-Davidson XLH1000 Sportster models from 1979 to 1985. These high-performance spark plugs are engineered to deliver exceptional ignition performance, ensuring optimal engine operation and increased power output.
The DS Performance spark plugs feature a 0.40 gap, which is ideal for the air-cooled engines found in these classic Harley-Davidson motorcycles. The plugs are made with a high-quality nickel alloy center electrode and a copper core, ensuring superior heat conductivity and longer life. The nickel alloy center electrode is resistant to corrosion and wear, providing consistent performance even in harsh environments.
The DS Performance spark plugs are also designed with a tapered ground electrode, which helps to reduce voltage drop and ensure a clean, powerful spark. This results in improved combustion efficiency, better fuel economy, and reduced emissions. The plugs are also equipped with a durable ceramic insulator, which helps to insulate the spark and prevent heat transfer to the engine, further extending the life of the plugs.
In addition to their high-performance design, the DS Performance spark plugs are also easy to install. They come with a long, sturdy copper ground strap, which makes it easy to thread the plug into the engine and tighten the nut securely. The plugs also have a rubber boot that provides protection against engine vibration and ensures a tight seal, reducing the risk of harmful exhaust gases entering the engine.
Overall, the 8470839 DS Performance Spark Plugs are an excellent choice for Harley-Davidson XLH1000 Sportster owners looking to improve their engine performance and extend the life of their motorcycle. With their high-quality construction, easy installation, and long-lasting design, these spark plugs are sure to provide reliable ignition performance for many miles to come.
Pros of buying 8470839 DS Performance Spark Plugs for Harley-Davidson XLH1000 Sportster 1979-1985:1. Enhanced Performance: DS Performance spark plugs are known for their ability to improve engine performance. They provide a stronger spark, which can lead to increased horsepower and a smoother ride.
2. Durability: These spark plugs are made from high-quality materials and are designed to withstand the harsh conditions of a motorcycle engine. They have a longer lifespan than standard spark plugs, reducing the need for frequent replacements.
3. Improved Fuel Efficiency: By providing a more efficient combustion process, these spark plugs can help improve your motorcycle's fuel efficiency. This means you may save money on gas over time.
4. Easy Installation: DS Performance spark plugs are designed to be a straightforward replacement for your stock spark plugs. They should fit easily into your Harley-Davidson XLH1000 Sportster 1979-1985.
Cons of buying 8470839 DS Performance Spark Plugs for Harley-Davidson XLH1000 Sportster 1979-1985:1. Cost: DS Performance spark plugs are typically more expensive than standard spark plugs. While they may offer long-term savings due to their durability, the upfront cost may be a deterrent for some.
2. Potential for Over-Sparking: If not installed correctly, these spark plugs can potentially cause over-sparking, which can damage your engine. It's important to follow the installation instructions carefully.
3. Not Suitable for All Motorcycles: These spark plugs are specifically designed for Harley-Davidson XLH1000 Sportster 1979-1985. They may not be compatible with other motorcycle makes or models.
Conclusion:If you're looking for a spark plug that can improve your Harley-Davidson XLH1000 Sportster's performance, durability, and fuel efficiency, and you're willing to pay a premium for these benefits, then 8470839 DS Performance Spark Plugs could be a good choice for you. However, it's important to ensure they're compatible with your motorcycle and to follow the installation instructions carefully to avoid any potential issues.
Recommendation:If you're unsure about whether to buy these spark plugs, I would recommend doing some research and reading reviews from other Harley-Davidson XLH1000 Sportster owners who have used these spark plugs. This can give you a better idea of their performance and whether they're worth the investment for you.
Insulator is made of 95 pure alumina, features strong resistance to heat shock and superior insulation. Nickel plated housing prevents oxidation and corrosion.
Ds performance spark plugs gap Harley XLH1000 Sportster conventional with a black ceramic body and bold red logo script. Multi-layer gaskets and heat crimping process ensure a leak free, gas tight seal. Fit guide model performance spark gap.
Multi rib design of the insulator eliminates flash over. Copper core electrode prevents oxidation and corrosion, has good electrical heat conductivity creates long spark plug service life.
Sold in pairs note: replaces oem part 4r5.