Improved fuel economy and extended plug life by greatly reducing electrode wear. Long-life Iridium Tough delivers safety and peace of mind.

Platinum ground electrode realizes surprisingly long life and durability.

Iridium alloy fine center electrode realizes high ignition performance.

Iridium Tough achieves stable ignition even when the engine is unstable. This improves performance during acceleration.

Screw diameter (mm): 14

Screw length (mm): 19

Hexagonal two-face width (mm): 16

Spark (mm): 0.8

Insulator (mm): 1.5

Spark position (mm): 3

Grounding height (mm): 5.4

Terminal shape: Integral type

Resistor (KΩ): 5