code 80 #4 is 14 degrees 15 minutes angle.
code 80 #6 is 9 degrees 32 minutes angle.
I do not have a listing for code 80 Y, but a code 55 #2.5 Y is 22 degrees 30 minutes.
I also do not have any length dimensions listed.
All above information quoted from Atlas Track, Layouts and Accessories Catalog, 2005 edition.