NGK IFR5L11 6502 Spark Plug Iridium

The IFR5L11 6502 Spark Plug Iridium from NGK delivers reliable ignition and extended service life for a wide range of engines. Featuring a fine iridium center electrode and a robust 14mm threaded shell, this plug provides consistent sparks under high heat and heavy loads. Its durable electrode design helps resist wear, reduces misfires, and supports better throttle response and smoother idle. Ideal for modern engines seeking efficient combustion, lower emissions, and fewer maintenance intervals. Designed to withstand demanding conditions, it minimizes fouling and maintains performance across diverse operating environments.