This is a reproduction Accelerator Cable (Carberator to Accelerator Lever) for Barrell Models 1970 thru 1972 Chevelle, Chevelle SS, El Camino, and Malibu. Total Length Approximately 21.5", Grommet to Grommet Approximately 12", Firewall Passthru Grommet is the squared retainer type, Lever Grommet is the Round Type. See Pictures