Boa engine,loom and ecu! See slammedmk3van for these
You'll need an lsd diff v6 engine crossmember and engine mounts(xr4x4)!
You will need a xr4x4 mt75 4x4 box to combine with your too make a hybrid then a set of v6 clocks(xr4x4)
After that just odds and sods really im in process of doing this myself you will need boa down pipes to make an exhaust to

Good luck Wes