Suitable for all british 6 Volt pre - focos headlamps from 1951 - 63
This bulb fits in all standart BA 20 D lamp sockets without any changes so this can be used with standart without any changes so can be used with standart reflector and head lamp glass. Great improovement of your 6 V lighting system to H4 standart
Especially recomended for old dinamo charging systems with low energy output because this bulb has the same or even better light and brightness as a convencial 35/35 bulb but with 10 W less energy consumption. In combination with our LED bulbs more