1970's OEM style Japanese connectors, common on early machines and found on later Honda, Suzuki, Yamaha and European bikes. Supplied as 3 way female and 3 way male rubber housing and 3 male & 3 female brass 3.9mm terminals to make a complete connector. Terminals must be crimped using a non-insulated tool that produces a "w" shaped crimp. Used on Kawsaki 500cc H1 and 750cc H2 CDI units and various other makes of machines.