Need help installing FBI digital gauges?

thanks for all your help man and the pics. Your definetly for help than the guys from fbi instructions. Sorry for all the questions.

it cool man i used 1/8 female to 1/4 male fitting i dont know exactly whats its called the instructions are good for wireing it up but you need about 50 bucks for all the fittings i dont know why you cant buy a Full pluming kit with it all so that would be cool