NGK's IX Iridium Series Plugs were specifically designed for the performance enthusiast.
The fine wire center electrode ensures a consistently stable spark and high durability.
An iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.
Trivalent metal plating provides anti-corrosion and anti-seizing properties that are superior.
Corrugated ribs prevent flashover.
The pure alumina silicate ceramic insulator provides better heat transfer and superior strength.
A copper core aids in heat removal.
Triple seals prevent leakage.
Plug specifications include a thread size of 12mm, hex size of 9/16" (14.3mm), reach of 26.5mm (1.04"), tapered seat type, gap of .044" (1.1mm), heat range of 7, and solid resistor terminal type.
The overall height is ISO brand NGK.
Note that the picture is generic and may not represent the actual product.
