Is there room for a tank in the area up in behind that rear loop.
If you're running a tank ,you'll need a one way valve, only used mine for airing up
and blowing duties, was even capable of running rattle gun, but better options these days.
I had those front/rear outlets, as sick and tired of popping bonnet all the time.
X 2 with Big Westy don't buy cheap it wont work under bonnet if tripped.