fits model: 351c, 302, Boss. make: Ford.

( Manufacturer Part Number: C9ZZ-12405-B ), ( Part Type: Spark Plug ), ( Country/region Of Manufacture: Unknown )
Introducing the C9ZZ-12405-B Autolite AF-42 spark plugs, specifically designed for the Ford Boss 302 and 351C engines. These high-performance spark plugs are engineered to deliver superior ignition and combustion efficiency, ensuring optimal engine performance and longevity.
The C9ZZ-12405-B Autolite AF-42 spark plugs feature a center electrode made of platinum alloy, which provides excellent heat transfer and durability. The platinum alloy center electrode also ensures a consistent, reliable spark, enhancing combustion and reducing misfires. The fine-wire, nickel-alloy ground electrode further contributes to efficient combustion and reliable ignition, while the insulator nose and shell are designed for superior heat resistance and durability.
These spark plugs are also designed with a copper core, which helps dissipate heat quickly, reducing the risk of pre-ignition and detonation. The C9ZZ-12405-B Autolite AF-42 spark plugs are also compatible with unleaded and leaded fuels, making them a versatile choice for a wide range of driving conditions.
In addition, the C9ZZ-12405-B Autolite AF-42 spark plugs come with a corrosion-resistant, nickel-plated shell that protects against wear and tear, ensuring long-term performance and reliability. The tapered ground electrode further ensures a tight seal between the spark plug and the engine cylinder, reducing the risk of leakage and improving engine efficiency.
Overall, the C9ZZ-12405-B Autolite AF-42 spark plugs are a high-quality, performance-focused choice for Ford Boss 302 and 351C engines. With their platinum alloy center electrode, fine-wire nickel-alloy ground electrode, copper core, corrosion-resistant nickel-plated shell, and tapered ground electrode, these spark plugs provide superior ignition and combustion efficiency, ensuring optimal engine performance and longevity.
Pros of buying C9ZZ-12405-B Autolite AF-42 spark plugs for Ford C9ZZ-12405 AF-42 Boss 302 351C engines:1. High-quality material: Autolite is a well-known brand that manufactures high-quality spark plugs. These plugs are made with nickel-plated terminations and iridium center electrodes, ensuring durability and longevity.
2. Improved performance: The iridium center electrode in these spark plugs allows for more precise ignition, which can result in improved engine performance, increased fuel efficiency, and better overall engine operation.
3. Heat range: The C9ZZ-12405-B Autolite AF-42 spark plugs are designed with a heat range that is suitable for high-performance engines. This means they can withstand the increased heat generated by these engines without overheating or pre-igniting.
4. Easy installation: These spark plugs are compatible with the Ford C9ZZ-12405 AF-42 Boss 302 351C engines, which means they can be easily installed without any modifications.
Cons of buying C9ZZ-12405-B Autolite AF-42 spark plugs for Ford C9ZZ-12405 AF-42 Boss 302 351C engines:1. Higher price: Compared to standard spark plugs, high-performance spark plugs like the C9ZZ-12405-B Autolite AF-42 plugs can be more expensive.
2. Not necessary for all engines: While these spark plugs can improve performance in high-performance engines, they may not be necessary for regular or low-performance engines.
Conclusion:If you own a high-performance Ford C9ZZ-12405 AF-42 Boss 302 351C engine and are looking to improve its performance, the C9ZZ-12405-B Autolite AF-42 spark plugs are a great choice. Their high-quality materials, precise ignition, and heat range make them ideal for these engines. However, it's important to consider the higher price and whether they're necessary for your specific engine. If you're unsure, it may be beneficial to consult with a mechanic or do further research.
Recommendation:If you decide to purchase the C9ZZ-12405-B Autolite AF-42 spark plugs, make sure to follow the installation instructions carefully to ensure proper placement and prevent any damage to your engine. Regularly checking and replacing your spark plugs is also important to maintain your engine's performance and longevity.
Ford, c9zz b, autolite, af42, nos, one box of 10 spark plugs. They are old and have shelf wear. These are the small 14mm spark plugs.