The product is a set of 4 Denso Iridium TT Spark Plugs with model number IQ16TT / 4706. Manufactured in Japan, these spark plugs feature a unique design for improved performance, with other part numbers including PQ16R and Q16RU11PQ16TT. The interchange part numbers for these spark plugs are BCPR5EP11, BCPR5ES11, and BCPR5EIX11, emphasizing their compatibility with various engines. Designed for efficiency and longevity, these spark plugs are suitable for use in a variety of vehicles, making them a reliable choice for engine maintenance....