IGNITION ROTOR ARM - DRB106C. ASTON MARTIN DB4 DB5 DB6 (1961-66) NEW IGNITION ROTOR ARM GENUINE LUCAS DRB106C. ARMSTRONG SIDDELEY 236 346 (1956-59)NEW IGNITION ROTOR ARM GENUINE LUCAS DRB106C. TRIUMPH TR5 TR6(1967-75)"Lucas type" IGNITION ROTOR ARM GENUINE LUCAS DRB106C.