I don't know the mounting depth of the speakers offhand, but I'll be sure to check into that, thanks.

99 Black SE Sport ATX
Running on E1 SVT rims with Dunlop rubber
Pioneer DEH-P3100 CD receiver (2 channels of the amp blown, officially declared dead)
Pioneer DEH-P440 CD receiver
Pioneer TS-6865 6x8's in the front
Pioneer TS-6867 6x8's in the rear
Pioneer TS-WX121 Sub with a Pioneer GM352 amp feeding it