
NGK 3690 TR7IX Iridium IX Spark Plug
NGK 3690 TR7IX Iridium IX Spark Plug Part #: TR7IX 3690 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: 18mm (.709") Hex Size: 5/8" (16mm) Terminal Type: Solid Overall Height: ISO Gap: .039" (1.0mm) Center Electrode: Material: Iridium Type: Fine Wire Size: 0.6mm Projection: Projected Ground Electrode: Material: Nickel Type: Standard Shape: Taper Cut Quantity: 1 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. In Store Pickup: Anaheim, CA, USA Return Policy