This DENSO Iridium Spark Plug, part code T16PR-U, is designed to deliver superior ignition performance. Its advanced iridium construction ensures exceptional durability and a powerful spark, contributing to smoother engine operation and improved fuel efficiency. The T16PR-U plug is engineered for precise heat transfer, preventing fouling and ensuring reliable starting in various conditions. Trust DENSO for high-quality ignition components that meet stringent performance standards. Experience the difference with DENSO's commitment to innovation and quality. This spark plug is a direct fit for many applications, providing a dependable solution for your vehicle's ignition system.