Taillight Lucas 564
Distance mounting studs 85mm.
For many English brands, Norton, BSA, Triumph, AMC etc..
Part numbers: LU53454, L564, LU53432, LU53394, 19-1011,19-1014,19-1000, 022126, 99-0595, 030071
Supplied with a 12v - 23/8watt light.
See article number: 21.G.3 for a 6v - 21/5watt lamp.