Incoming Axis NGD and a Tone Pot question

I love my EVH so much I had to buy an Axis to go with it so I could modify it the way I want (no way will I alter the EVH). That said, I just got what I consider a great deal ($999) on a 2010 Pacific Blue Burst Axis with nice flame on the body and neck (pics below). I’m going to add a push-pull volume to split coils and also want to add a tone pot while I’m in there. I believe there is enough room in the current body cavity for the tone. Can anyone confirm? Also does anyone know if short shaft pots will fit or do I need to use long shaft. The guitar won’t arrive until Monday so I can’t check but I want to have all the parts in hand when it arrives. I know the ASS already has all of this but I like having the Floyd. Thanks in advance for the help!

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