Pickup replacement question for PRS SAS Narrowfields

[Cem]

Hello, I have a PRS 25th ann. Swamp Ash Special with 3 Narrowfield pickups.

I wonder if I can change the pickups into DiMarzio Single humbuckers x 3 without needing to drill the guitar.

Planning to get some custom made pickup rings to set the pickups.

I want to put 3 x this:

Into this:

 

[Egads]

With custom pup rings you should be Ok.

BTW, where are you having those made? I want to put 408s in one of my hollowbodies, but don't want to go through a full refin.