ARB Twins are what I have used on everything for the last few years and never had an issue or questioned that decision .
Comms wise we use Rugged Radios and they give us good deals and have everything in stock and add our custom channels
Been a while but thought I would offer an update, after being a slack ass and forgetting to return the housing I borrowed I have decided to make these as I need one.
They will be 6061-T6, have screw in barbs. Depending on interest they will run...