Genuine NGK ILKAR7L11 (94124) Laser Iridium Spark Plugs – Set of 4 | OEM Mazda PE5R-18-110. Why Choose NGK Laser Iridium for Mazda?. Laser-Welded Iridium Centre Electrode (0.6mm tip). Reinforced platinum pad minimizes wear rate, extending service life to 100,000+ miles (vs. 30,000–50,000 miles for copper plugs).
