Set of 4 NGK 7316 TR55-1IX Iridium IX Spark Plugs

Description

7316 / TR551IX - NGK Spark Plug with 1.5mm Gap

3.0mm Extended Metal Shell

NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines.

Trivalent metal plating provides superior anti-corrosion and anti-seizing properties

Corrugated ribs prevent flashover

Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer

Copper core aids in heat removal

Triple seals prevent leakage