these a few used turbo kits on ebay

tho not much of a kit, more a manifold and turbo
http://www.ebay.co.uk/itm/Ford-Ka-Tu...item1c1fbf4a0d

this one looks a better buy,
http://www.ebay.co.uk/itm/Ford-Fiest...item1c1fc36719

as it contains

Brand new garrett gt t2 turbo (fast spool)
All manifolds and downpipe
Throttle bodies with fuel rail(complete) and turbo adaptor box
Collins adjustable acuator
Chiped ecu to run kit
Boost pipes
Intercooler