This 27 circuit kit is designed to fit the 1955, 1956, and 1957 'Tri-Five Chevy' (150, 210, Nomad, and Bel Air) and includes additional circuits for power options and accessories. This harness features a factory location Painless mounting plate for the fuse block, front and rear lighting sockets, factory & aftermarket instrument cluster harnesses ,and dash & turn signal connectors. This harness utilizes GM color-coded high-grade TXL wire with the circuit identification printed on it for easy installation.