NGK CR7HIX 7544 IRIDIUM SPARK PLUG

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

Shell

• Thread Size: 10mm
• Thread Pitch: 1.0mm
• Seat Type: Gasket
• Resistor: Yes
• Resistor Value: 5K Ohm
• Reach: 12.7mm (1/2")
• Hex Size: 5/8" (16mm)
• Terminal Type: Threaded Stud
• Overall Height: ISO
• Gap: .028" (0.8mm)

Center Electrode

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

Ground Electrode

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