This DENSO Iridium Spark Plug, part code FK16HR-A8, is designed to deliver superior ignition performance. Its advanced iridium construction ensures exceptional durability and a long service life, maintaining consistent spark quality over time. The FK16HR-A8 is engineered to meet the demanding requirements of modern engines, promoting efficient combustion and optimal fuel economy. Trust DENSO for high-quality ignition components that contribute to smooth engine operation and reliable starting. Experience the difference that precision engineering makes. This spark plug is a direct fit for compatible vehicles, ensuring ease of installation and performance you can count on.