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Champion 821M Spark Plug

Part Name: Champion 821M Spark PlugBrand: ChampionPart#: 821M
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Champion 821M Spark Plug

CS

Description:

  • Champion Copper Plus Marine Boxed L77JC4

Part Specifications:

  • Thread Size : 0.551
  • Thread Size : 14
  • Plug Type : L77JC4
  • Taper Diameter : 0.25
  • Installed Height : 2.24
  • Gap : 0.027-0.033
  • Gap : 0.69-0.84
  • Center Electrode Diameter : 0.1
  • Classification : Champion Copper Plus Small Engine
  • Resistor Plug : N
  • Ground Electrode Tip Design : Nickel Copper Alloy
  • Center Electrode Tip Material : Nickel Copper Alloy
  • Hex Size : 20.65
  • Seat Type : Gasket
  • Reach : 0.5
  • See more

Features:

  • Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
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