Here are the various options:
-91 octane 400 hp plus KIT:
Its very simple, you just need 1 Walbro 450 fuel pump, 1 Nismo Fuel pressure regulator and a set of FIC 1200cc injectors.
-Flex fuel Fuel Basic KIT:
1650cc FIC injectors, fuel rail,fuel regulator, lines and filttings, 1 walbro 450 pump, flex fuel kit. Good for 660 Whp on e85.
-E85 ULTIMATE R Flexfuel KIT:
Ethanol requires a large amount of Volume delivery. This options includes 1 in-tank fuel pump(450lph) and 1 external Mechanical Fuel Pump , inline fuel filter, 2150cc FIC injectors, Radium fuel pressure regulator, Radium fuel rail, Teflon lines & fittings, surge tank and flex fuel sensor. If you plan to run pump gas and e85 with lots of boost; This is what you are looking for.