Why's it have to be a "kit"? What kind of use (minimum) and how much do you want it to "scale" before you either swap out everything or run a parallel install?
Blue Sea fuseblocks tend to be the most common I see:
Blue Sea 5026 ST Blade Fuse Block w/Cover - 12 Circuit w/Negative Bus - 1 Year Direct Manufacturer Warranty - - Amazon.com
I have a 6-fuse version in my camper van, the linked is for a a 12-fuse version.
I run Specific, individual, switches as needed and Where needed. Makes "kits" worthless to me as that means all switches have to be in the same place and that doesn't work for me (I have switches in 5 different locations around my van, plus a few self-switched devices).
The more details you give, the better the suggestions you'll get. The more broad and generic the ask, the more generic the answer (like mine).
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'99 Limited 4x4, Millenium Silver ~
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