RR17YS-1
14mm thread, 25mm reach, 5/8'(16mm) hex, tapered seat, projected tip, resistor, fine wire 1.5mm Silver center electrode, cut-back ground electrode.
14mm thread, 25mm reach, 5/8'(16mm) hex, tapered seat, projected tip, resistor, fine wire 1.5mm Silver center electrode, cut-back ground electrode.