Im not familiar with the Rev hard kits.
You will need standalone which Im SURE it does not come with. You run 12psi you will blow your motor w/in a few months.
I woulnd't bring it over 7psi.

You will not need a block guard. Or sleeves.
8psi+Hondata should net you some SERIOUS numbers.
Keith made 285whp with his gsr hatch.