These discs for my 1990 Cab GTI?

Before i hit the buy it now, can someone with more knowledge on these things than me confirm these are a direct replacement for the front discs on my Cab GTI?

http://cgi.ebay.co.uk/VW-GOLF-GTi-MK2-Drilled-Grooved-Brake-Discs-Front-239mm-/300272776684?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item45e9a6f5ec

Cheers