Possible spark plugs:

  • NGK: A7
  • AC Delco: S83F
  • Autolite: 386
  • Champion: D14
  • Denso: L14R-U
  • Prestolite: 18-04-01
  • Stitt: 82

Details about your spark plug:

  • Type: IND.
  • Thread size: 18mm (0.70866 inches)
  • Hex size: 1 inches (25.4 mm)
  • Reach: 12MM inches (304.8 mm)
  • Seat type: GASKET
  • Projected tip: NO

Convert another spark plug:

spark plug converter: