This technologically advanced digital dash cluster comes fully assembled in a new reproduction chrome dash bezel, featuring full instrumentation and a tachometer. The fluorescent display shows in ''blue'' or ''teal'', your choice ! Included is a transmssion sensor for speedometer operation. Unless otherwise noted, units connect to original ''OEM'' wiring harness & operate off of the existing fuel tank sending unit. Some units may require an adaptor harness, sold seperately. Excellent ! Fits Chevelles & El Caminos.