1. I'm not sure... you may want to take off the plastic face bezel off and investigate... I replaced the double din, with a single, and added a "pocket".
2. I dont know about HAM radios, but there is a thread somewhere around here, try searching for CB installations, might give you some ideas.
3. ARB, or KMA http://www.kenmtn.com/html/wincher.asp
4. I'm not certain about this, but there are plenty of members who have OME & spacers... personally I don't understand the need to have a perfectly level stance.
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