Hey Fasbrd

I installed an assy line 6.1L Hemi and not the MP kit. A shame they did not include the detailed info you need for the accessories. This is where MP/DC fails as compared to GM Perf Parts

If the accessory bracket on your engine is the same a standard 6.1 Hemi, it very likely you will not be able to use the a/c compressor (mounted in diff position). I believe the generator fits but mounts with a different bolt pattern.
I personally used all the accessory drive components for a 6.1L Hemi , ran into issues with the remote reservoir P/S pump and now running a Bouchillon power steering pump which has the reservoir attached. I am pretty sure it is a 5.7 Hemi application for the p/s pump they sell, just not sure what application