- NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough to ensure the maximum durability and life of the spark plugs-and just thin enough to create an accurate and consistent spark
- Iridium is the hardest metal used in spark plugs today-six times harder than platinum. This allows for reduced voltage requirement for a spark
- Lower fuel consumption
- Longer life
- Smoother engine running
- Improved ignition efficiency giving enhanced power and acceleration
- Shorty Spark Plug: No
- Resistor: Yes
- Manufacturer Heat Range: 6
- Electrode Tip Material: Iridium
- Electrode Core Material: Copper
- Insulator Type: Projected
- Spark Plug Thread Size: 14mm
- Spark Plug Reach: 0.750 inches
- Spark Plug Seat Style: Gasket
- Wrench Diameter: 5/8 inches
- Ground Strap Quantity: One