Autolite XP103-4PK Extreme Performance Spark Plug

• EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for over 100,000+ miles 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
• MAXIMUM PERFORMANCE: The Autolite Iridium XP spark plug provides maximum acceleration as its noble metals resist corrosion better which prevents fouling and in turn allows for quicker acceleration
• 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 plugs needs
• CONSTRUCTION: Every Iridium XP plug is manufactured with high alumina multi-rib ceramic insulator to prevent flash-over, a nickel-plated shell, tapered ground electrode for enhanced ignitability, 0.5mm laser welded centerwire, and iridium enhanced platinum alloy pad which limits gap erosion
• Iridium-enhanced, .6mm finewire design^Better overall ignitability, durability and value^Strong coverage^Superior product

Autolite Iridium XP is designed and engineered in the USA, is one of the brand's most technologically advanced spark plugs ever. These spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance. Autolite Iridium XP spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs. Autolite Iridium XP spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance, and increased durability. Consider upgrading to Autolite iridium XP spark plugs for increased performance. Autolite is an official NASCAR performance partner. Autolite Iridium XP spark plugs are backed by an unmatched limited lifetime warranty.