cam shaft sensor ring?

[Yellow Jacket]

I need a picture and a tooth count for the back side of the cam shaft gear where the sensor reads? I am trying to adapt a 06 ecm and harness to an old cummins 855, so I just need to either duplicate the tooth count or buy the cam gear and attach it to my cam just so the sensor can read it.
thanks for the help

 

[XLR8R]

There are no teeth - buy the cam gear or it's "Holy Machining, Batman!" LOL