Champion 538 RH8C Dyna Commodore Series 14mm Thread Copper Resistor Spark Plug

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  • Regular price $5.95
  • 1 available


  • Copper Resistor Spark Plug
  • Shell
    • Thread Size: 14mm
    • Seat Type: Gasket
    • Resistor: Yes
    • Resistor Type: SAC9
    • Reach: 11mm (7/16")
    • Hex Size: 13/16" (21mm)
    • Terminal Type: Removable Nut
    • Gap: .024" (0.6mm)
  • Conventional Spark Plug with Nickel Alloy Electrodes. 
  • Copper Core Center Electrode Allows for Increased Conductivity and Heat Control.
  • For use with:
    • Dyna
    • Commodore Series
    • Wasp
    • Hornet
    • And many more.
  • Manufacturer: Champion
  • Model Number: 538
  • Part Number: RH8C
  • Also Known As: 4316 50, AC Delco 43LS, Bosch W175T4, Denso W16LS