POSITIVE EARTH Lucas 25D 23D DM2 Electronic ignition Rotor & Sparkplug Tester

Suitable for all 4 cyl cars fitted with a 23D, 25D or DM2 Distributor. AccuSpark Sparkplug Tester. Accu Spark™ electronic ignition conversion. AccuSpark Red Rotor. These have been made to a higher tolerance ensuring a better fit and reliability.