NGK LFR6AIX-11 Iridium IX Spark Plugs (Pack of 4)

FITS SUBARU WRX 2.5T EJ25 series engine. (Impreza, Forester, Legacy)

NGK's 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

Plug Specifications

• Thread Size: 14mm
• Hex Size: 5/8" (16mm)
• Reach: 26.5mm (1.04")
• Seat Type: Gasket
• Gap: .044" (1.1mm)
• Heat Range: 6
• Terminal Type: Solid
• Resistor: Yes
• Thread Pitch: 1.25mm
• Shipping takes about 4-6 days