I'd get a new boost gauge unless you have a known good one they are cheap. If you can find a good used pyrometer that's not a bad idea, they are expensive. I think the ATS valve cover is worth having if it doesn't cost too much however it's a stupid way to route a CDR. IMO get a banks adapter or make your own clone of it and run it to the spot for the molded vent hose on the air cleaner. I use a GM CDR which is very similar to ours but does not need to be bolted to the intake and can be mounted sideways or something.