NGK Iridium Plug (LTR7IX-11)

NGK 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 Diameter 14mm
• Thread Pitch 1.25mm
• Seat Type Tapered
• Reach 25mm (1")
• Hex Size 5/8" (16mm)
• Terminal Type Solid
• Overall Height ISO
• Gap .043" (1.1mm)

Center Electrode

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

Ground Electrode

• Material Nickel
• Type Standard
• Shape Taper Cut

Specifications

• Resistor Yes
• Resistor Value 5k Ohm
• Heat Range 7
• Torque Specs Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft.
• Longevity 50k Miles