OEM No/Model: R1M12-77
Torch Type: R1M12-77
Thread: M18x1.25
Reach: 12.7 or 13.8 mm
Hex: 22.2 mm
Seat Type: Flat
Gap: 0.15 mm
Heat Range: 85
Electrode Type: 4-ground electrode
Resistor or Non-Resistor: Resistor
Notes: Champion RM77N
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