this is the r/r I used. i can't remember how much I paid but it was somewhere close to this price

http://www.ebay.com/itm/SHINDENGEN-MOSFET-FH020AA-REGULATOR-RECTIFIER-KIT-REPLACES-FH012AA-/380473041443?pt=Motorcycles_Parts_Accessories&hash=item5895f5e223&vxp=mtr

If the link does not work just search "Shindengen FH020AA"

CS