NGK Spark Plug;5/8" Hex Sz;0.551" Thread

Spark Plug; Application Lawn and Garden; Marine; Hex Size 5/8 in; Thread Size 0.551 in; Thread Reach 0.375 in; Ground Electrode Quantity 1; Ground Electrode Tip Design Standard; Gap Size 0.028 in; Resistor Plug No; Hex Size - Metric 15.88 mm; Thread Reach - Metric 9.53 mm; Insulator Material Ceramic; Manufacturer Heat Range 6; Seat Type Tapered; Center Electrode Diameter 0.098 in; Ground Electrode Material Nickel Core; Center Electrode Material Nickel