205's are dead easy, you need a BE3 or post 1990 clutch as the release bearing mounts differently, Part number from Pug is 2052A0 or Motaquip which is Valeo (Same thing) VCK247
It is worth changing the bearings which operate the clutch bearing too, these wear badly and give or can give you a heavy clutch, only a couple of quid each or worst case a complete cross shaft at £55.00
It is worth changing the bearings which operate the clutch bearing too, these wear badly and give or can give you a heavy clutch, only a couple of quid each or worst case a complete cross shaft at £55.00