Tachometer, BSA Triumph, 1966-1970, 4:1 ratio, Grey, 60-2396
A high quality tachometer head suitable for BSA and Triumph twins from 1966 to 1970.
In the style of the genuine Smiths tacho of that era.
Diameter of body: 80mm
Depth of body: 46mm
Drive ratio: 4:1
Includes bulb and holder.
Note that this unit is not suitable for all BSA twins that use a 3:1 drive. Please check before ordering - or ask for advice!