4 Pack NGK Iridium IX 6441 Spark Plugs ZFR6FIX-11

The product is a 4 pack of NGK Iridium IX 6441 Spark Plugs with part number ZFR6FIX-11. These spark plugs are standard configuration, made of iridium, and manufactured in Japan. They are vintage parts, have universal fitment, and are designed for gasoline-fueled engines. Known for their performance, these spark plugs are suitable for various vehicles. Provides reliable ignition and enhanced engine performance Built with high-quality materials for durability Compatible with various automotive makes and models Optimized electrode design for efficient combustion Ensures smooth engine startup in all weather conditions Designed to reduce emissions and improve fuel efficiency Direct OEM replacement for easy installation