fits model: Ds, Flst, Heritage. make: Harley. year: 1986–1990.

( Brand: Drag Specialties ), ( Manufacturer Part Number: 8470720 ), ( Part Type: Spark Plug ), ( Warranty Details: See Manufacturer )
Introducing the 1986-1990 DS Performance Spark Plugs, specifically designed for Harley-Davidson FLST Heritage models. These high-performance spark plugs are engineered to provide exceptional ignition performance and reliability, ensuring optimal engine operation and maximizing power output.
The DS Performance spark plugs feature a nickel-chrome alloy center electrode, which is renowned for its durability and resistance to corrosion. This material ensures a long-lasting, consistent spark, reducing the need for frequent replacements. The insulator nose is made of ceramic, providing excellent heat transfer and preventing pre-ignition or detonation, ensuring smooth engine operation.
The DS Performance spark plugs are precision-machined for a perfect fit in your Harley-Davidson FLST Heritage engine, ensuring a secure and reliable connection. They also feature a tapered ground electrode, which provides a more efficient and evenly distributed spark, improving combustion efficiency and reducing the risk of misfires.
Each spark plug is individually inspected and tested to ensure the highest quality and performance. They are designed to meet or exceed OEM specifications, ensuring they will provide the same, if not better, performance than the original equipment.
If you're looking for a reliable and high-performance spark plug for your 1986-1990 Harley-Davidson FLST Heritage, look no further than the DS Performance spark plugs. With their durable materials, precision engineering, and superior performance, they are the perfect choice for your Harley-Davidson.
Pros of buying 1986-1990 DS Performance Spark Plugs for Harley-Davidson FLST Heritage (Part Number 8470720 Specialties):1. Improved engine performance: DS Performance spark plugs are known for their superior ignition performance, which can result in increased horsepower, better throttle response, and improved fuel efficiency.
2. Longer lifespan: DS Performance spark plugs are designed with a longer lifespan than standard spark plugs, which can reduce the frequency of spark plug replacements.
3. High-quality materials: DS Performance spark plugs are made with high-quality materials, such as nickel and iridium, which can withstand high heat and provide consistent ignition performance.
Cons of buying 1986-1990 DS Performance Spark Plugs for Harley-Davidson FLST Heritage (Part Number 8470720 Specialties):1. Higher cost: DS Performance spark plugs are typically more expensive than standard spark plugs, which may be a barrier for some riders.
2. Potential compatibility issues: While DS Performance spark plugs are designed to fit Harley-Davidson FLST Heritage models, it's always a good idea to double-check the fit and compatibility before making a purchase.
3. Risk of improper installation: If not installed correctly, DS Performance spark plugs may not provide the expected performance improvement or may even damage the engine.
Conclusion:DS Performance spark plugs can offer improved engine performance, longer lifespan, and high-quality materials for Harley-Davidson FLST Heritage models. However, they are more expensive than standard spark plugs and may require additional research to ensure compatibility. If you're willing to invest in better performance and are confident in your ability to install them correctly, DS Performance spark plugs could be a great choice for your Harley-Davidson FLST Heritage.
Recommendation:Before making a purchase, make sure to double-check the fit and compatibility of the DS Performance spark plugs with your Harley-Davidson FLST Heritage model. Additionally, consider consulting with a Harley-Davidson dealer or a knowledgeable mechanic to ensure proper installation and performance expectations.
Multi-layer gaskets and heat crimping process ensure a leak free, gas tight seal. Equivalent to Gk brp5es-11 spark plugs.
Copper core electrode prevents oxidation and corrosion, has good electrical heat conductivity creates long spark plug service life. Ds performance spark plugs stock Harley Flst Heritage conventional with a black ceramic body and bold red logo script.
Multi rib design of the insulator eliminates flash over. Nickel plated housing prevents oxidation and corrosion.
Insulator is made of 95 pure alumina, features strong resistance to heat shock and superior insulation. Sold in pairs note: replaces oem part 5r6a.