Autolite Copper Core Spark Plugs deliver quick starts, smooth acceleration, and improved fuel economy.
The bonded insulator, terminal post, and copper-glass seal ensure a tight seal that is 100 percent leak-proof, while the full copper core electrode optimizes plug life and improves heat transfer.
High alumina ceramic is featured in Copper Core Spark Plugs for high dielectric strength, and a steel shell provides installation robustness.
The danger of misfires is reduced by the multi-rib insulator, and higher thermal conductivity is provided by the copper core center electrode.
These spark plugs are engineered with a ground electrode and high nickel alloy center for extended life.
Autolite has sold over 11 billion plugs and has over 100 years of engineering experience.
The highest quality ignition products have been provided to the automotive aftermarket and Original Equipment manufacturers since its inception.
Designed and engineered in the USA.
