fits model: Hemi. make: Chrysler, Dodge, Plymouth.

( Brand: Autolite ), ( Manufacturer Part Number: AG701 ), ( Type: Vintage Racing ), ( Surface Finish: Original ), ( Modified Item: No ), ( Country/region Of Manufacture: United States )
The AG701 Chrysler Dodge Plymouth 426 Hemi Racing Platinum Tip Spark Plugs from Autolite are designed for high-performance applications, making them an excellent choice for enthusiasts and racers looking to maximize the potential of their classic or modern Mopar engine.
These spark plugs feature platinum-tipped center electrodes, which provide superior ignitability, longer service life, and improved fuel efficiency compared to traditional copper or iridium spark plugs. The platinum tip also helps to reduce spark plug fouling, ensuring consistent performance even under high-load conditions.
The AG701 spark plugs are designed specifically for the 426 Hemi engine, which is known for its power and reliability. The high-quality nickel alloy shell is resistant to corrosion and heat, ensuring a long service life and reliable ignition even in the most demanding conditions.
The plugs also feature a unique tapered ground electrode that provides a smooth, even spark for improved combustion and performance. The tapered ground electrode also helps to reduce spark plug fouling, further extending the life of the plugs.
The AG701 spark plugs are easy to install, with a standard 18mm thread size and a copper core for excellent heat transfer. They are also designed to meet or exceed OEM specifications for fit, function, and performance.
In summary, the AG701 Chrysler Dodge Plymouth 426 Hemi Racing Platinum Tip Spark Plugs from Autolite are an excellent choice for high-performance applications. They provide superior ignitability, longer service life, and improved fuel efficiency, while also reducing spark plug fouling and ensuring consistent performance even under high-load conditions. With their unique tapered ground electrode and high-quality nickel alloy shell, these spark plugs are built to last and provide reliable ignition for your 426 Hemi engine.
Pros of using AG701 Chrysler Dodge Plymouth 426 Hemi Racing Platinum Tip Spark Plugs by Autolite:1. High-performance design: These spark plugs are specifically designed for high-performance engines, making them an excellent choice for racing applications.
2. Platinum tip: The platinum tip provides superior heat transfer and durability, reducing the need for frequent replacement.
3. Longer lifespan: Due to their superior design, these spark plugs have a longer lifespan than traditional copper or iridium spark plugs.
4. Enhanced ignition: The platinum tip helps ensure a more consistent and efficient ignition, which can improve engine performance.
Cons of using AG701 Chrysler Dodge Plymouth 426 Hemi Racing Platinum Tip Spark Plugs by Autolite:1. Higher price point: Due to their high-quality materials and performance-focused design, these spark plugs are pricier than traditional spark plugs.
2. Not suitable for all vehicles: These spark plugs are specifically designed for high-performance engines, so they may not be ideal for vehicles with less demanding engines.
Recommendation:Overall, the AG701 Chrysler Dodge Plymouth 426 Hemi Racing Platinum Tip Spark Plugs by Autolite are an excellent choice for high-performance engines and racing applications. Their superior design and long lifespan make them a worthwhile investment for those looking to improve their engine's performance. However, if you have a less demanding engine or are looking for a more budget-friendly option, traditional copper or iridium spark plugs may be a better fit. Ultimately, the choice depends on your specific needs and budget.
These are vintage Autolite plugs with all sealing washers included as pictured. This is a set of 8 vintage spark plugs recommended for 426 Hemi racing applications when moderate heat range required.