fits model: 750.

( Manufacturer Part Number: E3.39 ), ( Part Type: Spark Plug )
The E3.39 E3 DiamondFire Spark Plug is a high-performance replacement for your vehicle's original spark plug. This 10mm, 0.750 thread diameter spark plug is designed to deliver superior ignition performance, ensuring reliable engine operation and improved fuel efficiency.
The E3 DiamondFire Spark Plug features a diamond-shaped electrode tip that is engineered to produce a more intense spark, resulting in faster ignition and more complete combustion. This advanced design helps to reduce misfires, improve engine performance, and reduce emissions.
The E3 DiamondFire Spark Plug is made with high-quality materials, including a nickel alloy center electrode and a corrosion-resistant platinum ground electrode. This ensures long-lasting performance and reliability, even in harsh operating conditions.
The E3 DiamondFire Spark Plug is easy to install, with a heat range of 8.5 that is suitable for most gasoline engines. It also features a copper core that helps to dissipate heat, ensuring consistent performance and preventing pre-ignition.
In conclusion, the E3.39 E3 DiamondFire Spark Plug is a high-quality replacement spark plug that delivers superior ignition performance, improved engine performance, and reduced emissions. With its advanced design, high-quality materials, and easy installation, this spark plug is a great choice for any vehicle owner looking to improve their engine's performance and reliability.
Pros of buying E3.39 E3 Diamondfire Spark Plug 10mm 0.750:1. Durability: E3 Diamondfire spark plugs are known for their long life and resistance to fouling, which can save you money in the long run by reducing the need for frequent replacements.
2. Performance: The E3.39 spark plug provides improved combustion efficiency, which can lead to better fuel efficiency and increased horsepower.
3. Quality: The E3 Diamondfire spark plugs are manufactured using high-quality materials, ensuring reliable performance and longevity.
4. Wide Compatibility: The 10mm 0.750 thread size makes this spark plug compatible with a wide range of vehicles, making it a versatile option for many drivers.
Cons of buying E3.39 E3 Diamondfire Spark Plug 10mm 0.750:1. Cost: While the long-term savings from increased fuel efficiency and reduced replacement frequency can make up for the initial cost, the E3 Diamondfire spark plugs are more expensive than some other options on the market.
2. Installation: Some drivers may find the installation process to be more difficult than with other types of spark plugs, especially if they are not familiar with the process or do not have the necessary tools.
3. Availability: E3 Diamondfire spark plugs may not be as widely available as some other brands, which could make it more difficult to find them in local auto parts stores or online.
Conclusion: The E3.39 E3 Diamondfire spark plug 10mm 0.750 is a high-quality option for drivers who prioritize performance, durability, and fuel efficiency. While the initial cost may be higher than some other options, the long-term savings and reliable performance make it a worthwhile investment for many drivers. If you are comfortable with the installation process and can find the spark plugs readily available, they are a great choice for your vehicle.
Recommendation: I would recommend the E3.39 E3 Diamondfire spark plug 10mm 0.750 to drivers who value performance and fuel efficiency and are willing to invest in a high-quality product. For those who are looking for a more budget-friendly option, I would suggest exploring other brands that offer similar specifications and features. Ultimately, the best choice will depend on your specific needs and preferences as a driver.
39 is often in used Honda, Suzuki, Yamaha, and other high rpm engines. Not old stock. It is used in a variety of power sport applications, especially import motorcycles.
39 is a 10mm,. Sold each specifications:part number: E3. The patented diamondfire ground electrode is secured to shell with two legs help facilitate heat transfer, and withstand intense vibration of power sport engine applications. 39 resistor: resistor hex size: 5/8 thread reach: reach plug with a gasket seat.
The unique diamondfire side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The E3 ground electrode and full-size also provides optimal performance over an extended product life. 39 spark plug - single packE3.