Efi source: $1295
Throttle body: ~$350
Fuel pump: $100
Regulator filter: $40
O2 sensor: $150
=$1935
Assuming you already have sensors and coil packs. If not:
Coil packs: $100
Crank sensor: $25 or less
Cam sensor: $25 or less
Temp sensor: $10 or less
Map sensor: $25 or less
Crank reluctor: $50-$75
Cam reluctor: comes with timing set
More than likely you already have most of that?