Compare Maximum number of 4 items selected NGK Laser Iridium Plug Number ILMAR8G8GS Spark Plug - 93528 Part #: 93528 Line: NGK NGK Laser Iridium Plug Number ILMAR8G8GS Spark Plug 1 Year Limited Warranty Metallurgy: Iridium Service Number: ILMAR8G8GS Heat Range: 8 Center Electrode Core Material: Copper Thread Reach (in): 1.100 Inch Thread Reach (mm): 28mm Resistor Plug: Yes Seat: Flat Thread Size: M10-1.0 Hex Size (mm): 14mm Preset Gap (in): 0.760 Inch Approximate Resistor Value (Ohm): 5000 Ohm Insulator Height (mm): 51mm Insulator Height (in): 2 Inch Show More Show Less