NGK LMAR9E-J 6884 Spark Plug Silver

Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements, NGK´s multi-ground plugs maintain all the features of their standard plugs, including: Features: - Corrugated Ribs to Prevent Flashover - Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer - Copper core to aid in heat removal - Triple seals to prevent leakage Specifications: Shell: - Thread Diameter: 10mm - Thread Pitch: 1.0mm - Seat Type: Gasket - Reach: 26.5mm (1.04´´) - Hex Size: 9/16´´ (14mm) - Terminal Type: Threaded Stud - Overall Height: ISO - Gap.: 028´´ (0.7mm) - Center Electrode - Material: Nickel - Type: Standard - Size: 2.5mm - Projection: Projected - Ground Electrode - Type: Multi-Ground - Resistor: Yes - Resistor Value: 5k Ohm - Heat Range: 9 - Torque SpecsCast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft. - Longevity: 50k Miles