Datadog,

5.25" fit but depending on depth may require spacers. I have 5.25" Boston Acoustic component's in the front doors on my 90 4 door. Needed a spacer to fit though due to the magnet size.

You can find pics here...
http://www.geocities.com/offroader_ii/modifications_audio.html

Off Roader
98 Montero with the Winter Package
89 Montero minty clean and reserved for overlanding trips or Cars and Coffee events
96SR (3.15:1 xcase, 35's) gone to the rust gods
96SR Build Up Thread
Old web page
Old web page