Bolt spark plug with copper electrode from the manufacturer Champion.
Product description:
- spark plug from Champion;
- key opening: 21mm;
- thread length: 19mm;
- spark plug: 1-electrode ground, with flat sealing seat, copper electrode;
- thread size: M14x1.25mm;
- gap between electrodes: 0.9mm;
- coupling technique: M4/SAE;
- Champion code: RN11YC;
NGK alternative: BPR5ES.
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