Probably still injectors too tbh, but crank pulley is easily replaced, fine to drive on in the meantime. You want the single-piece one from a 307, same as this: http://www.ebay.co.uk/itm/Peugeot-307-En...337ad5f61f
EDIT: Actually, you said best, some would argue the lynx ally one is best, but there's others who have had fitting problems with them, so...
EDIT: Actually, you said best, some would argue the lynx ally one is best, but there's others who have had fitting problems with them, so...