If you go use the search feature there should be plenty of threads explaining what all out need. Basically you need ECU, tranny, pedal assembly, driveshaft, crossmember, and the other stuff Slow2V mentioned.
Engine: K&N cold air intake, Bassani offroad x, Magnaflow catback, Bama 91 octane race tune, 3.55 gears dyno'd at 233whp 272wtq before exhaust
Suspension: IRS swap with stock cut 03 Cobra springs
Brakes: Front and rear brakes from an 03 Cobra with EBC Yellowstuff pads