wanting to put a oil pressure and water temp. gauges in my car, see i can get a pod off ls koncepts for 50$ and was thinking about Faze gauges, prob gona get my gauges off ebay. do i have to get a certain gauges, and i also wana get the reverse gauges i think it will match good i hope. id also kinda rather have a grey a pillar pod to match my interior considering they only have black.?