NGK Iridium One Step Colder 2309 Spark Plug (Single) - 2006-2014 Subaru WRX / 2004-2021 STI

Designed with the performance enthusiast in mind, crafted by NGK the IX Iridium Series Plugs! It features an extremely high melting point, which best utilizes today's high-tech, performance engines. Grab a set today! Note: Price is per spark plug

NGK Iridium One Step Colder 2309 Spark Plug

Designed with the performance enthuisiest in mind, crafted by NGK the IX Iridium Series Plugs! It features an extremely high melting point, which best utilizes today's high-tech, performance engines.

Features

• 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