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Champion 828 828M QL77JC4 BM50 CM50 RV 250 Olympique 300T 230R Marine Spark Plug
- Small Engine Copper Plus Spark Plug
- Copper core center electrodes allow for increased conductivity and heat control.
- Conventional spark plug with nickel alloy electrodes
- Shell
- Thread Diameter: 14mm
- Thread Pitch: 1.25mm
- Seat Type: Gasket
- Reach: 12.7mm (1/2" in.)
- Hex Size: 13/16" in. (21mm)
- Terminal Type: Solid
- Gap: .039" in. (1.0mm)
- Center Electrode / Ground Electrode
- Material: Nickel
- Type: Standard
- Size: 2.5mm
- Projection: Non-Projected
- Resistor: Yes
- Resistor Type: Inductive
- Heat Range: 77
- Torque Specs: Cast Iron: 26-30 lb. ft. Aluminum: 18-22 lb. ft.
- Manufacturer: Champion
- Model Number: QL77JC4
- Part Number: 828, 828M
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