NGK 2309 Spark Plugs LFR7AIX Set of (4) For 06-14 Subaru WRX, 04-UP STI

Product Description  

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: .032" (0.8mm)
• Heat Range: 7

Center Electrode:

• Type: Fine Wire
• Material: Iridium
• Size: 0.6mm
• Projection: Projected

Ground Electrode:

• Type: Taper Cut
• Material: Nickel

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