2 wires. Made in Japan to OEM specification. Replacement aftermarket part for the following OEM numbers: Honda 31400-MBN-641, 31400-MBN-640....
Single bolt mounting. 4 wires. Includes Shindengen SH542-12. Replacement aftermarket part for Honda OEM 31600-MBN-651, 31600-KA2-752, 31600-...