Autolite Iridium XP Automotive Replacement Spark Plugs, XP3923 (4 Pack) Pack of 4

Autolite Iridium XP is designed and engineered in the USA, and represents one of the brand's most technologically advanced spark plugs. These iridium spark plugs provide enhanced durability and a more focused ignition for improved overall ignitability and optimum performance. Suitable for many makes and models (foreign and domestic), Autolite Iridium XP serves both the automotive aftermarket and original equipment manufacturers with high-quality ignition products. The finewire iridium center electrode and laser welded technology improve fuel efficiency and consistent ignitability. Included components: 4 Iridium Spark Plugs. Manufacturer: AUTOLITE. Mfg Part No: XP3923 / XP3923-4PK. UPC: 009100044334. Backed by an unmatched limited lifetime warranty. Consider upgrading to Autolite Iridium XP spark plugs for increased performance and extended change intervals—engineered to last up to 100,000 miles depending on engine type.

• 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
• 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