NGK 6619 LFR6AIX-11 Iridium IX Spark Plug

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

PRODUCT SPECIFICATIONS

• Thread Diameter 14mm
• Thread Pitch 1.25mm
• Seat Type Gasket
• Reach 26.5mm (1.04")
• 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
• Resistor Yes
• Resistor Value 5k Oh
• Heat Range 6
• Torque Specs Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.