They are part of the final gear kit.
Thanks, I am going to create a parts list. What may be helpful (if I can ask you) is to have a complete list of parts that you used to install this final gear kit. These parts are what were required for your 60 series, but I assume (and will test in due course) that they would be the same for a 70 series owner who must replace the R and P with this factory superseeded final gear kit.
Could you list out the parts you purchased? I'll then make a table of the factory parts, the replacement part, and some notes. This is a great thread, by the way. Thank you!