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      2. Champion
      3. Sub-14mm Hex
      4. 14mm Hex
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      Champion 978 RY4C SPARK PLUG
      Champion 978 RY4C SPARK PLUG

      MPN: CP978

      Copper plus small engine spark plug RY4C. Thread diameter: 10mm, thread reach: 9.5mm, seat type: tapered, hex size: 16mm, projection: non-projected, construction: standard. Resists fouling Superior corrosion resistance Dependable performance...

      $14.57

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