The tunnel depth measures 3

measured from the top of the coped radius to the flat end

This kick start return spring is brand new and will replace your worn out one

Both caps are same 'depth' in that they engage the cam bung on the gas tank in an identical fashion

You can run this capacitor in line with a battery to help with starting

Speedometer Cable for BSA A65 / Triumph - 66 inch - OEM #60-3249 Subcategory_Wheel Bearings The tunnel depth measures 3This imported speedometer cable is for use with Smiths speedometers and is 5'6" long (66") and fits BSA A65 starting in 1966 and also fits oil in frame model Triumph T120s as well as 750 c. c. T140 and TR7s. Original part number #60 3249