is there more to this....

[Toby]

http://cgi.ebay.co.uk/VW-GOLF-1-8-2-0-MK3-GTI-16V-TURBO-CONVERSION-MANIFOLD_W0QQitemZ350309706811QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item519015ec3b ... what elce needs to be brought.. and work done... obviously a turbo..

[axewielder]

lots >>http://www.golfgtiforum.co.uk/index.php?topic=101392.0

[gazpowells]

Yes mate lots more 

Just a short list but you need

turbo
intake pipe
injectors
ECU chip or standalone
oil feed for turbo
lower compression (2 head gaskets)

Have a search mate you will find lots of information on web about turbo conversions