here are all the parts I bought for my conversion:

5.3 engine with ECU all sensors( incl Mass Airflow and O2 sensors)
wiring harness
exhaust manifolds, starter, alternator, steering pump,
AC Compressor ,accessory belt, fuse / relais box

4L60E transmission with transmission control module and wiring

Body Control Modul (BCM) with wiring

drive by wire ETC pedal assembly and wiring

instrument cluster and wiring

fuel pump assembly with pressure sensor and wiring

single stainless fuel line incl filter from tank to engine