The DENSO Iridium TT spark plug (IXEH20ETT) represents a significant advancement in ignition technology. Featuring a unique twin-tip design with both iridium and platinum, it ensures a powerful spark and exceptional durability. This advanced construction promotes more complete combustion, leading to improved fuel economy and reduced emissions. The Iridium TT is built to withstand extreme temperatures and pressures, providing reliable performance over an extended service life. Designed for a wide range of vehicles, the IXEH20ETT is an ideal choice for drivers seeking enhanced engine responsiveness and consistent starting power. Its robust design minimizes fouling and erosion, maintaining optimal spark plug performance throughout its lifespan.