Mondial T door speaker size

anyone have a quick idea of this one..did a search and found anything from 6" to 6.5" and no knowledge of depth and tha was mostly 348's ...don't know if it is the same for the T..anyway if someone knows that would be great so I could buy them before I tear the door apart. alos if someone has an actual speaker brand ,that would be sper..I am thinking of Infinity Kappa ( still don't know what size.. or Boston Acoutsits seperates with the OEM tweeter postion in the dash..anyone know if there is a real crossover int he stock set-up?