I have one of the deluxe versions with motor drive on my SN10 and it works beautifully. It does fit the bolts on your scope, but I found I had to take my corrector plate off to ensure the focuser was lined up properly with the OTA. No big deal as long as you mark the position of the corrector. Also keep the original plastic "washer", for the want of another word and use it on the outside of the OTA. I found the piece of foam that comes with the JMI useless, also when collimating the focuser, the collimating screws tend to dent the ota as well, that is why I used the plastic washer on the outside as a base for the collimating screws to bite into.
On my SN10, meade placed a mark opposite the focuser on the inside of the OTA which I assume was meant to indicate the centre of the focuser for lining up purposes. Mine was incorrect and I had to make another mark. Once again no big deal, but it pays to check.
One thing is for sure, the crayford is a huge improvement over the plastic offering that Meade installed. As far as focuser travel goes, no problems at all, I do find that I occasionally have to use the 2" extension tube that should come with it as standard. Also this focuser does not intrude into the light path unlike the original.
Hope this helps

Peter