Eastwood makes a kit, too.(
http://www.eastwoodco.com)
Laroke also has a good article on his steering wheel resto (I think he even used the Eastwood kit):
http://www.laroke.com/larryk4674/2000/wip4a.htm (Sorry to steal your thunder Laroke

)
I also have a book, Auto Restorer's Handbook, or something like that, that recommends Bondo for filling the cracks, and then says any good paint will do.
Ed