Nickel Spark Plug
Hex Size: 13/16"
Reach: 3/4"
Seat: gasket
Spark Resistor Type: Resistor
Spark Plug Tip Material: Nickel
Spark Plug Type: Standard
Thread Diameter: 14mm
Replaces:
Champion RN9YC
Nippondenso - W20ETR-S
Autolite - 3923
Fits:
Horizontal and Vertical Honda Overhead Cam models, Robin 8.5-25 HP EH & EHV series.