The NGK iridium spark plug delivers high performance and reliable ignition for modern engines, engineered to improve throttle response, cold starting and fuel economy. Precision manufactured with a fine iridium centre electrode and a robust ground electrode, it provides a stable spark across a wide range of operating conditions. Its laser welded tip and optimized firing end reduce quenching and allow for consistent combustion, while corrosion resistant construction helps maintain performance over long service intervals. Ideal for enthusiasts and daily drivers who want dependable starting and smooth running without frequent replacement.

Designed for precise fit and function, this spark plug comes pre set to an optimal gap and includes an internal resistor to suppress radio frequency interference. The compact iridium electrode diameter improves ignitability and reduces required voltage at the coil, making it compatible with high energy ignition systems and many turbocharged or naturally aspirated engines. Always check vehicle manufacturer recommendations for heat range and thread engagement before installation and inspect for correct torque during fitting.

• Centre electrode material iridium for superior wear resistance and consistent spark
• Fine wire centre electrode diameter 0.6 mm for improved ignitability
• Pre set gap 0.8 mm for optimal performance out of the box
• Heat range 8 optimized for a balance of cooling and performance
• Internal resistor approx 5 k? to reduce electrical interference
• Laser welded tip and precision ground electrode for long service life