Custom fabricating an aluminum fuel tank for your Jeep CJ and need parts? This is the sending unit mounting ring we manufacture for our Motobilt Jeep CJ tank. The ring is CNC machined from 6061 aluminum. It is machined to use the factory Jeep CJ sending unit and factory o-ring. The sending unit mount is aluminum and requires welding to install. This mount covers 1976-1986 Jeep CJs.