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
If you're still looking for a blower I'm about to sell mine. I have a Gen1 VMP TVS w/elbow, FRPP TB and JLT intake that I'm about to list. PM me if interested.
I'm looking to buy these parts.....Let me know what you've got.
VMP PLUG N PLAY Fuel Pump Voltage Booster for 11-12 GT500
2.4" pulley bolt-on ring for TVS Supercharged Shelby GT500's utilizing VMP 6-bolt Hub
VMP Dual Fan Triple Pass Heat Exchanger for Mustang 05-15: GT500, 5.0L GT