Looks like that distr turned out to be exactly the same inside as the IH distr.
That makes it's easy to follow the conversion
write up!One thing to note is you may want to trial fit the cap and find the best place to mount the pickup so it is in between the ribs on the cap. That will keep you from needing to clearance it like I did on mine.
Good work Kevin. You must have your own lathe.