here is a list of parts that I have put together to do my swap. I'm sure that I'll need more stuff but after comparing write ups and what I have, I think this covers it... I hope.
FUEL SUPPLY ITEMS NEEDED
Fuel filter
Fuel line from filter to rail
Fuel fitting for hose from tank to filter (supply)
Fuel fitting for hose from filter to tank (return)
Fuel Fitting for hose from filter to rail (supply)
EXHAUST ITEMS NEEDED
LSX conversion Headers
X-pipe
H-pipe
Mufflers
Clamps
COOLING/HEAT ITEMS NEEDED
E-fans
Install kit for fans
Radiator hose (upper)
Radiator hose (lower)
Heater hose (upper)
Heater hose (lower)
Hose clamps (2 upper, 2 lower, 4 heater hoses)
Tee for the throttle body heater
SENSORS NEEDED
Coolant temp sensor
Coolant temp sensor adapter
oil pressure sensor
oil pressure sensor adapter
Tachometer module
AIR INTAKE ITEMS NEEDED
Air inlet tube
Air inlet elbow
Air filter
Misc clamps
OR a complete CAI set up
ELECTRICAL/COMPUTER/ETC;
Wiring harness mod
ECU tune
1" Motor mount adapters
A/C Items
Bracket
Compressor
Belt