12 volt coils Triumph Norton BSA ignition coil set 12v 40mm OD Lucas copy 45276 *
You will get the set of 2 brand new coils pictured for your classic British motorcycle. The diameter is 40mm. These will work on a BSA but the diameter is smaller, you will need to shim these to fit in the stock brackets.
Brand: STEADFAST CYCLES
Part Brand: STEADFAST CYCLES
Manufacturer Part Number: 45276 T
Surface Finish: ALUMINUM
Placement on Vehicle: LEFT, RIGHT