Plug Type: RN3C
Seat Type: Gasket
Hex Size (Inch): 0.813
Hex Size (MM): 20.65
Thread Size (Inch): 0.551
Thread Size (MM): 14
Thread Reach (Inch): 0.75
Taper Diameter (Inch): 0.25
Installed Height: 2.25
Gap (Inch): 0.023-0.028
Gap (MM): 0.58-0.71
Center Electrode Diameter (Inch): 0.1
Center Electrode Material: Nickel Copper Alloy
Ground Electrode Material: Nickel Copper Alloy
Classification: Champion Copper Plus Small Engine
Resistor Plug: Y
Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance, and longevity of the spark plug
Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
Patented Ultraseal coated shell for rust prevention
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