NGK Iridium Spark Plugs One Step Colder LFR7AIX 2006-2014 WRX / 2004-2021 STI

Description:
NGK's IX Iridium Series Plugs were Designed Specifically for the Performance Enthusiast.

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

Specifications:
- Thread Size = 14mm
- Hex Size = 5/8" (16mm)
- Reach = 26.5mm (1.04")
- Seat Type = Gasket
- Gap = .031" (0.8mm)
- Heat Range = 7
- Terminal Type = Solid
- Resistor = Yes
- Thread Pitch = 1.25mm

Notes:
Sold as a set of 4

Applications:
2006-2007 WRX
2004-2007 STI
2008-2014 WRX
2008-2014 STI
2015-2021 STI