Champion Spark Plug, N12YC for Harley-Davidson

HD 5R6A.
14mm thread, long reach.
Used with a 21mm spark plug socket.
Central electrode with copper core.
The spark plug comes with the patented Ultraseal™ coated housing, to help keep the spark plug body corrosion-free and looking better for a longer period of time.
4 units

Compatible with: > L78-E82 FL; L78-79 FX; 84-99 BT (excluding TC); 75-E78 FL, FX