Possible spark plugs:

  • NGK: A6
  • NGK: AB-2
  • AC Delco: C86,M8
  • AC Delco: C86S
  • AC Delco: C86
  • AC Delco: C87
  • AC Delco: 18A
  • AC Delco: C85S
  • AC Delco: C88
  • AC Delco: C88L
  • Autolite: 3136
  • Autolite: 375
  • Autolite: 376
  • Autolite: 377
  • Autolite: 379
  • Autolite: 3116
  • Autolite: 378
  • Bosch: M8AC0
  • Bosch: M10AC0
  • Champion: UY6
  • Champion: D16
  • Champion: D15Y
  • Champion: D16J
  • Champion: D14
  • Champion: D89D
  • Champion: RD15Y
  • Champion: D21
  • Champion: D23
  • Denso: L14-U
  • Motorcraft: BT8
  • Motorcraft: BT10
  • Motorcraft: BT15
  • Napa: X581
  • Prestolite: 18-10-01
  • Prestolite: 18-08-01
  • Prestolite: 18-09-01
  • Prestolite: 18-52
  • Stitt: 82
  • Stitt: 86

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: