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#P4348
NGK ER9EH-6N standard spark plug.
Fits Piaggio 50cc 4-stroke 4-valve engines.
E: 8x1.00mm thread, 13mm hex.
R: Resistor type.
9: Heat rating 9
EH: 19mm long reach, 12.7mm thread.
6: 0.6mm spark gap.
N: Strong ground electrode design.
NGK ER9EH-6N
