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