The Genuine OEM Motorcraft SP534 Iridium Spark Plug CYFS12YT3 is a high-quality spark plug designed for gasoline engines. It features a standard configuration and is made of durable iridium material. With a weight of .8 lbs., this spark plug is an ideal choice for car and truck ignition systems. Manufactured by Motorcraft, a trusted brand in automotive parts, this spark plug is interchangeable with other part numbers such as SP580, CYFS12YT4, and SP534. Made in Japan, it is a reliable and efficient component for enhancing engine performance.