New! Lucas Type 6 Volt 30/24 Watt Pre-Focus Headlamp Bulb. You will get the one bulb as pictured. Did your Lucas (Prince Of Darkness!) bulb burn out or just gave up? Well, replace it with this great quality new production bulb! Just like the originals! Base measures 22mm and the flange measures 36mm. Fits a wide range of 6 volt British motorcycle models both Twins & Singles equipped with the Lucas Pre-Focus light unit from approx 1952 & On. We also carry the later same style 12 volt bulb, see the link below! Please refer to your parts catalog for proper fitment.
•Made by Autolamps
•O.E.M Part number is 312