Look into these. They're the upgraded replacement.

dynatek dc2-1 in Motorcycle Parts | eBay

 

The coils have no polarity, the primary wires can be connected to either terminal.
There's color-coded primary wire connection information in the Documentation Forum.
The secondary (coil-to-spark-plug) wire lengths are not critical. Each stock coil
has one short and one long, and both coils are the same part number.
+1 on the DC2-1 coils Leader suggests, you'll need secondary wires too.

 

If you need one, let me know. I can send you one cheap. I still have my stockers, went to Dyna's and will never go back to stock. I saved them for people in need.