I purchased an Afco but haven't received it yet so I'm not sure about the relays. It comes with new hardware and wiring so hopefully it's right! Thanks for the heads up!
I have a Steeda 2.65" Pulley. It came off my 2012 with 5000 miles on it.
http://www.americanmuscle.com/steeda-gt500-supercharger-pulley.html
PM if you're interested