NGK CR7HS

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  • C- Meaning it has a 10mm thread size and a 5/8" hex size
  • R- Resistor Type
  • 7- Position on heat range from 2-12 (2 hottest, 12 coldest)
  • H- 12.7mm (1/2") thread reach.
  • S- Standard 2.5 mm Center Electrode


Also compatible[edit]