Champion UL77V 831M Marine Spark Plug

Champion UL77V 831M Marine Spark Plug
This part# has been discontinued. Champion 831 UL77V spark plug may be used as a replacement.

• Conventional spark plug with nickel alloy electrodes. Copper core center electrode allows for increased conductivity and heat control.

• Product Specifications
  • Shell
  • Thread Diameter 14mm
  • Thread Pitch 1.25mm
  • Seat Type Gasket
  • Reach 12.7mm (1/2")
  • Hex Size 13/16" (21mm)
  • Terminal Type Solid

  • Center Electrode
  • Material Nickel
  • Type Standard
  • Size 2.5mm
  • Projection on-Projected

  • Ground Electrode
  • Material Nickel
  • Type Surface Discharge

  • Specifications
  • Resistor No
  • Heat Range 77
  • Torque Specs: Cast Iron: 26-30 lb. ft. Aluminum: 18-22 lb. ft.