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
• Sold individually

Features

• 0.6mm Center Electrode
• Enhanced Ignitability
• Trivalent Metal Plating

Shell

• Thread Size: 12mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Resistor: Yes
• Resistor Value: 5K Ohm
• Reach: 19mm (3/4")
• Hex Size: 18mm
• Terminal Type: Threaded Stud
• Overall Height: ISO
• Gap:. 035" (0.9mm)

Center Electrode

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

Ground Electrode

• Material: Nickel
• Type: Standard
• Shape: Taper Cut
• Quantity: 1

Specifications

• Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.
• Brand: NGK
• Heat Range: 8
• Longevity: 40-50k