This technologically advanced ''fluorescent display'' digital dashboard comes assembled, ready to install in a new chrome bezel, and is available in blue or teal display colors. Units include an electronic transmission sensor for speedometer operation, and unless noted, will connect to original ''OEM'' wiring harnesses,operating off of your existing fuel-tank sending unit. Featuring full guages, a tachometer is also included. If an adapter harness is necessary, it will be offered at a small extra charge. Excellent ! Fits Chevelles & El Caminos.