The all new 123 Electronic distributor is now available at Minispares. Featuring 16 ready programmed switchable advanced curves built in as standard, a must for any mini with a worn distributor. Full instructions are included with the system. For any A series, A Plus engines with vacuum unit.Replacement cap is GDC123 and rotor arm is GRA123 'The 123 Distributor can be used with 6 or 12 voly power supplied from the coil be it ballast resisted or not providing the coil has no less tha 1Ohm resistance'.