The product is a set of 4 NGK LASER IRIDIUM Spark Plugs designed for use in vehicles such as Eclipse, Galant, Lancer, and Outlander with a 2.4L L4 engine. These spark plugs feature Laser Iridium material for durability and efficient spark creation. They are direct replacements for the OE/OEM part number LZFR6AI and have an interchange part number of 3656. The NGK brand is well-known for its quality and reliability in providing ignition systems components like spark plugs.