The DENSO Iridium TT spark plug (IKBH20TT) is designed to deliver superior ignition performance and enhance overall engine efficiency. Utilizing advanced iridium alloy technology for both the center and ground electrodes, these plugs offer exceptional durability and a consistent, powerful spark. This advanced construction ensures reliable starting, smoother idling, and improved fuel economy. The Iridium TT series is built to withstand demanding engine conditions, providing long-lasting performance and reducing the need for frequent replacements. DENSO's commitment to quality is evident in the precision engineering of the IKBH20TT. It is manufactured to meet stringent OEM standards, ensuring a perfect fit and optimal function in compatible vehicles. Upgrade your ignition system with DENSO for a noticeable difference in performance and reliability.