The ignition and sensor specialist FOR ROLLS-ROYCE PHANTOM AND BMW High quality construction for unsurpassed power. Versatile spark plugs with wide operating temperature ranges, prevent fouling caused by too cold operation and pre-ignition caused by overheated operation. Made of high aluminum ceramic for heat dissipation and insulation. Ground Electrode Configuration: Single Terminal Configuration: Fixed terminal Hexagon Dimensions: 16 mm (5/8') Thread Dimensions: 14 mm Electrode Distance: 1.1 mm (0.043') Ground Electrode Shape: Standard Threaded Part Length: 19.1 mm (3/4') Electrode Tip Material: Nickel alloy Electrical Resistance: 5k Ohms Spark Gap Imperial: 0.043' Spark Gap Metric: 1.1 mm Central Electrode Protrusion: Not prominent Central Electrode Type: Standard ITEM AS PER PICTURE AN.
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