Infiniti Hyundai Iridium Spark Plug LFR5AIX-11 (4469) Long-lasting ignition, power improvement

KLP iridium spark plug LFR5AIX-11 (4469), fits Toyota models after 2000 such as Corolla, Camry, RAV4, etc. Iridium electrode provides stable ignition, improves combustion efficiency, enhances power output and longevity. After installation, noticeable improvement in idle vibration and acceleration, while reducing fuel consumption. If cold start is difficult, uphill feel blocked, or fuel consumption suddenly increases, spark plug aging is likely; replace promptly.