NGK (3981) BR9EIX Iridium IX Spark Plug

NGK (3981) BR9EIX Iridium IX Spark Plug features a removable terminal nut. 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.

Key Features:

• 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
• Removable Terminal Nut.

Product Specification:

• Tread Diameter: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Reach: 19mm (3/4")
• Hex Size: 13/16" (16mm)
• Terminal Type: Removable Nut
• Gap: .031" (0.8mm)