12v 12 volt coils Coil Set 40MM OD Triumph Norton BSA Motorcycles MA12 99-0574
You will get the brand new 12v Coil Set as pictured. The OD is 40MM. 3.5 ohms primary resistance. These will work on your BSA but will need a shim to fit in the stock brackets.
Brand: STEADFAST CYCLES
Part Brand: STEADFAST CYCLES
Manufacturer Part Number: SC-71522
Placement on Vehicle: LEFT