944 setup question

[MrMoo]

at the mo i have 944 single pots all round on my bug, im about to upgrade to 4 pots

my question is can i fit bigger discs to the setup i have allready, is it just a bolt on affair?? or do i need to change hubs etc... :agree:

(this is my setup- ignor the 911 caliper)
www.dubthings.co.uk/disc.jpg

the brake is a stock 944 single pot pre86 disc
i want to fill the wheels up abit more with bigger discs and calipers

cheers Mickie