I have a 83 shovel with dual plugged heads. The Factory side uses the normal long reach plug. But the added side uses the short reach side. My question is I want the same heat range plug in both long and short reach. I am not hung up on brands usually use NGK or Champion or Autolite. Can someone tell me the number I need to use for both the long and short reach, so that they are the same?
Dual plugged shovel spark plugs
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