Possible spark plugs:

  • NGK: R8120A-10

Details about your spark plug:

  • Type: HI-PERF.
  • Thread size: 18mm (0.70866 inches)
  • Hex size: 1 inches (25.4 mm)
  • Reach: 0,63 inches (16.002 mm)
  • Seat type: GASKET
  • Projected tip: NO

Convert another spark plug:

spark plug converter: