The gauge is off of ebay from guy called Nocoast customs. I just got a pain gauge but he can put all different pictures on there if you like. The thing I liked about his gauge all the dummy lights are there.
As for the radio, I lucked out one of my friends use to fix pinball machines and coin op’s. He had no problem soldering the led’s for me, I’m really bad at soldering no matter how many times I try. Here’s a link on how to take the radio apart.