AccuSpark 25D Electronic Ignition Distributor - Complete (Top Entry Cap) - This is a fully electronic replacement for the original Lucas 25D and DM2 distributor. It has solid state internals and does away with the points & condenser for superior reliability. You will also require the uprated Lucas 'Sport' ignition coil (part no. VAC103LS) and the vehicle must be running NEGATIVE EARTH.