This is the all New 123 Electronic Distributor. 
It features 16 x pre programmed advanced curves built in, a must for any Classic Mini car with a worn old distributor.  Full instructions are included with this electronic distributor. This electronic distributor is for any A series engines and A Plus engines with vacuum unit. This 123 Electronic distributor can be used with 6 or 12 volt power supplied from the coil, be it ballast resisted or not providing the coil has no less than 10hm resistance.