Lucas Original USED momentary action starter switch, 31153 SS8. Same as 3115 switch but terminals reversed. To suit ARMSTRONG SIDDELEY sapphire, AUSTIN a70 a90 a125 a135, DAIMLER conquest century regency 104 empress Regina, LANCHESTER 14HP Sprite, STANDARD vanguard, Triumph renown, WOLSELEY 4/50 4/44 15/50 6/80 and Others. Please see photo(s), they form part of the description.