スパークプラグのコード - その意味とは（クレイグ・カークマン著）
Spark Plug Numbers & Letters - NGK Spark Plugs -Tech Video
Information represented by the part number of a spark plug
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スパークプラグコード。どちらの端がプラグに、どちらの端がディストリビューターに繋がるのでしょうか？
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sparkplug replacement #honda #civic #sparkplug #engine #matcotools #2011 #car #mechanic
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