Tachometer, BSA Triumph, 1970-78, 4:1 ratio, Black, 90-0166
A high quality tachometer head suitable for Triumph Bonneville models from 1970 to 1978.
Contains bulb abd bulb holder.
In the style of the genuine Smiths tacho of that era.
Diameter of body: 80mm
Depth of body: 46mm
Drive ratio: 4:1
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