fits model: Fl. make: Harley, Davidson.

( Brand: Ngk Atv Motorcycle Pwc Marine Snowmobile Parts ), ( Manufacturer Part Number: SX8390 ), ( Part Type: Shovel Spark Head Plug ), ( Item Length: 3.310 )
The Ngk ATV PWC Marine SX8390 4-pack Spark Plugs are designed specifically for Harley-Davidson Flathead Shovelhead engines, model years 1978-1981. These spark plugs are a must-have for any Harley-Davidson enthusiast looking to maintain or upgrade their engine's performance.
Each spark plug in this set is equipped with Iridium IX technology, a high-performance material that ensures reliable ignition and prolongs spark plug life. The Iridium IX center electrode provides superior heat and wear resistance, reducing the need for frequent replacements.
The Ngk ATV PWC Marine SX8390 spark plugs are also designed for easy installation. They feature a tapered ground electrode for a secure fit, and their insulator nose is designed to minimize electrode fouling. This means less time spent on maintenance and more time enjoying your ride.
Moreover, these spark plugs are designed to withstand the harsh conditions of marine environments. They are resistant to corrosion and water intrusion, ensuring reliable performance even in the most challenging conditions.
In summary, the Ngk ATV PWC Marine SX8390 4-pack Spark Plugs are a high-quality, reliable choice for Harley-Davidson Flathead Shovelhead engines. Their Iridium IX technology ensures reliable ignition and prolonged life, while their tapered ground electrode and insulator nose make installation a breeze. And with their corrosion and water resistance, these spark plugs are perfect for marine environments.
Pros of buying Ngk ATV PWC Marine SX8390 4pcs 78-81 Harley Davidson Fl Shovel Head Iridium IX Spark Plugs 1340 UZ:1. Quality: Ngk is a well-known and trusted brand in the automotive and motorcycle industry, known for producing high-quality spark plugs.
2. Durability: Iridium spark plugs, like the ones in this set, are known for their longevity. They can last up to 60,000 miles, which is longer than other types of spark plugs.
3. Improved Performance: Iridium spark plugs can help improve engine performance by providing a more efficient ignition, leading to better fuel efficiency and reduced emissions.
4. Compatibility: These spark plugs are specifically designed for Harley Davidson Fl Shovel Head engines between 78-81, making them a perfect fit for your vehicle.
Cons of buying Ngk ATV PWC Marine SX8390 4pcs 78-81 Harley Davidson Fl Shovel Head Iridium IX Spark Plugs 1340 UZ:1. Price: Iridium spark plugs are typically more expensive than other types of spark plugs. However, the longevity and improved performance they offer may make up for the initial cost in the long run.
2. Availability: Since these spark plugs are specifically designed for a particular model and year of Harley Davidson, they may not be as easily available as more common spark plugs.
Conclusion: If you are in the market for high-quality spark plugs for your Harley Davidson Fl Shovel Head engine, the Ngk ATV PWC Marine SX8390 4pcs 78-81 Harley Davidson Fl Shovel Head Iridium IX Spark Plugs 1340 UZ are a great choice. While they are more expensive than other types of spark plugs, they offer improved performance, durability, and a longer lifespan. However, it is important to ensure that these spark plugs are easily available in your area before making a purchase.
Recommendation: If you are looking for a reliable and long-lasting spark plug for your Harley Davidson Fl Shovel Head engine, the Ngk ATV PWC Marine SX8390 4pcs 78-81 Harley Davidson Fl Shovel Head Iridium IX Spark Plugs 1340 UZ are a great option. Their high-quality materials and efficient ignition can help improve engine performance and fuel efficiency, making them a worthwhile investment for Harley Davidson owners.
4pcs 78-81 Harley Davidson FL SHOVEL HEAD NGK Iridium IX Spark Plugs 1340 uz: Status: In Stock.