WW19371 Misc Ignition Coils Twin Lead Ignition Coil 12V. As fitted as OEM on early Japanese Bikes with points ignition. Can also be used with Wassell/Pazon Electronic Ignition Kits such as WW61495 and WW61480. The HT Leads are 23-1/2(590mm) long. Mounting bolts are 3-9/16(90mm) apart centre to centre. Black lead : Negative Yellow lead : Positive