Genuine NOS Lucas
Product Description

Genuine new old stock Lucas ignition switch (does not include lock & keys). 12v, type 47SA. 4 x position; 7 x lucar terminals; fits hole size 20mm.
Fits many applications including:
TRIUMPH, MG, MGB GT, AUSTIN HEALEY SPRITE,
MG MIDGET
Reference numbers: 34580, SPB501