New a new set of Pads and Discs for the fiesta RST, its got cossy 4x4 front discs etc on it already so more than upto the job and am not after anything fancy, Seen 2 discs for the 90-95 escort cosworth but one says Upto Jan 1993 Internally Vented and the Other says Jan 93 and on Externally Vented Discs whats the diffefernce and how can i tell witch disc i need i think i have an internally vented set of disc at the mo since i've never heard of externally vented ones

Any ideas would be great cheers SEB

The website is http://www.brakepartssuperstore.org....FQU11AodjykD5A