The NGK 2313 Iridium IX Spark Plug (LZTR4AIX-11) is engineered for high-performance and long-life ignition, featuring an ultra-fine iridium center electrode for superior combustion efficiency. Upgrade to NGK Iridium IX LZTR4AIX-11 for high-performance ignition, longer plug life, and superior engine response—order now!
1st off their ngk plugs, premium plugs, i only wanted to do this plug change one time , they were packaged great and arrived very fast. Pre- gaped. Ready to install.