You will get the brand new dual lead 12 volt coil that is pictured for twin motorcycles. This will work with all 500, 650, and 750 Triumph twins. This is 4.5 Ohms

The spark plug leads measure 23″ long to fit any application. There are two mounting studs are 3 1/2″ apart, and measure 1 1/2″ and have chrome spacers for most any application. The coil measures 4 3/4″ including the points spades, and the diameter maximum is 2″