assuming it's for the S2?

i will say one thing and one thing only, if you don't understand the implications of what you are doing, don't do it

brakes do their job for a reasn, and if you fuck them up, you soon know about it

someone will be along soon enough to explain what you will need to do the swap at the front, but they are easy enough

agian, know what you are doing, or get someone who knows what you want them to do to advise you with hands on help