charade turbo engines are extremely old now. you will not find any in decent condition.
fx has a very tiny engine bay.
best option is to get a EFI Mehran Engine will all the small items. you will have a very fuel efficient car, no need for CNG.
it is somewhat possible to fit in a mehran dashboard too, which is more easily available.
for front and back, get mehran bumpers.
round or square headlights are call sealed beam headlights, both are available in market. get genuine koito headlights only. no chinese.
you can use 13 inch rims with low profile tyres.