Superjet dry pipe installation

hey guys, i bought a riva F-4 dry pipe for my stock 2000 superjet. it is missing one of the studs out of one the rubber bushings for it, where can i find another? my next question is what do i need to run as far as water lines for it, it has way more connections than i have water lines. I would not mind changing to a dual cooling system but i do not know where to start. i have posted some pics of what fittings it has on it. If anyone could help me out it would be awsome and help me a bunch. thanks
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