Possible spark plugs:

  • NGK: R5672A-10
  • Autolite: 50
  • Autolite: AR50
  • Champion: C57YC
  • Champion: N59YD
  • Motorcraft: AG072

Details about your spark plug:

  • Type: HI-PERF.
  • Thread size: 14mm (0.55118 inches)
  • Hex size: 0,63 inches (16.002 mm)
  • Reach: 0,75 inches (19.05 mm)
  • Seat type: GASKET
  • Projected tip: YES

Convert another spark plug:

spark plug converter: