for a blow through turbo setup you will need
1x manifold
1x turbo
1x BOV

Piping:
1m of 2.5" pipe and 1x 180deg bend for dump pipe (add more if you don't alreaddy have a big exhaust)
1m of 2" pipe for intake pipe and 3x 180deg bends
aswell as various silicone hose joiners and s/s welding wire

1x carby hat
1x rising rate fuel pressure regulator to suit carby
1x fuel pump (i used a VL commodore external one)
1x Z200 fuel filter
5m of EFI hose for fuel/oil lines...
various brass fittings for oil/water feeds/returns
1m of 1/2" heater hose
lots of hose clamps

optionals (recommended):
1x Intercooler
1x larger radiator
1x Thicker head gasket
1x carby rebuild kit (and larger jets)
1x boost gauge
1x boost control valve (or some device for turning boost up)

i have done my build on $1800 (thats me doing all the work myself) but it can be done for less.

yer seen that the other day not sore i want all that lol

do a search on the site and be greatly surprised by the wealth of turbo a series builds there is a turbo set up at the moment on ebay to

hay every 1 i just bought a turbo for my a12 not sure were to start like in part ect i know u need manafold dump pipe intercoller bov piping wot else do i need i just sold my rm 80 and my rc plane on ebay so i got just a little over 2 grand to spend the turbo is in good nick