Champion 828M Copper Plus Resistor Spark Plug - QL77JC4

Spark Plug Code: QL77JC4 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. Plug Type: QL77JC4. 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): 0.5. Taper Diameter (Inch): 0.25. Installed Height: 2.24. Gap (Inch): 0.028-0.033. Gap (MM): 0.71-0.84. 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. Resistor Type: Q-Type Inductive Suppressor

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 Plug Type: QL77JC4 Seat Type: Gasket