scortpower

hello am new to the site and need help , i am buying a rear discs for my car they are rs2k one , what handbrake cable do i need from what model of car, i am assuming i need the rs one , and there are two pieces to the handbrake do i just need the one that connects to the two calipers?oh and my car is a mk5b if that helps
and another question are the brake lines the same? and if i were to order a set off brake line as i am also getting rs front brake i want braided line do i get the rs set
thanks for any help