Champion 821 L77JC4 Copper Core Center Electrode 14mm Thread Marine Spark Plug

Champion 821 L77JC4 Copper Core Center Electrode 14mm Thread Marine Spark Plug

  • Sale
  • $5.95
  • 4 available
  • 14mm Thread Spark Plug
  • Shell
    • Thread Size: 14mm
    • Seat Type: Gasket
    • Resistor: No
    • Reach: 12.7mm (1/2")
    • Hex Size: 13/16" (21mm)
    • Terminal Type: Solid
    • Gap: .039" (1.0mm)
  • Center Electrode
    • Material: Nickel
    • Type: Standard
    • Size: 2.5mm
  • Ground Electrode
    • Material: Nickel
    • Type: Cut Back
  • Conventional spark plug with nickel alloy electrodes.
  • Copper core center electrode allows for increased conductivity and heat control.
  • Manufacturer: Champion
  • Model Number: 821 Marine, 821M
  • Part Number: L77JC4