The only parts recommended by Ford Motor Company for Ford, Lincoln, and Mercury vehicles. These spark plugs feature high-strength steel high thread and a fine-wire double platinum design, ensuring long service intervals of up to 100,000 miles. With options like platinum-iridium and nickel standard copper core, you can expect reliable performance and durability for up to 60,000-100,000 miles.

Product Features:

• Long Service Intervals: 100,000 mile service interval, High-Strength Steel High Thread, Platinum-Iridium, Fine-Wire Double Platinum, 60,000-100,000 mile service interval, Up to 60,000 mile service interval: Nickel, Standard Copper Core.
• Ford Recommended: The only spark plugs recommended by Ford Motor Company for Ford, Lincoln, and Mercury vehicles.