you will need
tranny from srt
tcu or 307 rear
ecu
wiring harness, from dash forward from the srt
sc pump----two pumps.
sc pump wiring
all hoses from sc pump system.
heat exchanger which requires rad from srt
and a lot more that i don't remember

or you could call Rudy he has everything to replace the srt motor or replace wirh a v8
search rcompart send him a pm, most people that has done any swap it has taken a long long time where Rudy can get it done in less than 60 days,maybe not now that he and his wife are expecting a baby soon jim

look it up.
"worlds fastest crossfire."