first, you get a motorset.

or you piece together one.

this consists of
sr20det
transmission
wiring harness (however pba's can make you one, that's right, make you one, out of a ka24de harness)
ignitor chip
coil packs
mafs
sr20det rwd ecu
itnercooler
intercooler piping
downpipe
fuel pump is highly reccomended

for secret services to install a rwd motorset, give us a call at 727 571 1450.