Genuine Lucas Classic Kill Switch SS5 (31071).As fitted to Triumph T20 (1964), 6T,T110,T100 Nacelle models (1959-62), T100A,3TA,5TA (1958-63), TR6C,T120TT (1966-67), T100C ET models (1966-67).BSA A50,A65 Export Cyclone ,Hornet models etc (1964-), BSA A50...