Overdrive Relay OE TR3 to TR6

This a OE Lucas 6RA Overdrive Relay used on the Triumph TR3, TR4, TR4A, TR250 and TR6. Cross Ref.# 33157, 33209, 33213, 33293, 33302, 33352, 542-142, 542-170, 542-420, SRB108, SRB121