hay brian, got a sport ka rep myself. you can get alot for the ka from turbo kits to big wheels.

mine has
sport ka bumpers (bumpers can only be got from ford or second hand)(€1500)
escort cosworth wheels
and other bits.

the fiesta suspension might fit on the front ive been told it would shocks straight into the hubs.
lowering kits and eibach shocks are a good set up as its not too solid.
if your going coilovers its gota be avo's all the ka championship rally lads use them.

look over the kaklub theres so much on there that people do to make them better.