This is an Official Autolite Iridium XP Automotive Replacement Spark Plugs, XP5263 (4 Pack) made by Majestic and is guaranteed to be 100% authentic. This Autolite Iridium XP Automotive Replacement Spark Plugs, XP5263 (4 Pack) is guaranteed to get you the attention you deserve.
EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today
FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption
OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance
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AUTOLITE ADVANTAGE: 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
CONSTRUCTION: 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
