Autolite Iridium XP Spark Plug, XP3924 (1 Pack)

Autolite Iridium XP, one of the brand's most technologically advanced spark plugs ever, is designed and engineered in the USA. These spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance, functioning for all makes and models, both foreign and domestic. Autolite Iridium XP spark plugs are backed by an unmatched limited lifetime warranty, and are engineered to last for up to 100,000 miles depending on engine type, making them one of the most durable spark plugs on the market today.

The Autolite Iridium XP automotive replacement spark plug utilizes a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. The finewire electrodes produce more focused and consistent ignitability, resulting in less fuel consumption. This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitability and optimal performance.

Autolite has been producing spark plugs since 1936, making it one of the most trusted and reliable brands for your OE replacement spark plug needs. Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types, including DIS systems, and a V-trimmed ground electrode for improved ignitability.

Consider upgrading to Autolite Iridium XP spark plugs for increased performance. The Autolite Iridium XP provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products, ensuring your vehicle's optimal performance and fuel efficiency.

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