Steering Column Floor Seal is installed in an area that is susceptible to damage from heat. If your steering column floor seals have never been replaced, an inspection may reveal a cracked and broken seal. These heavy gauge reproductions will last for years. #599A will work on any 1957 Chevy model with an automatic transmission & power brakes. Note: This floor seal requires five #611 firewall pad grommets to install and a #233 steering column firewall seal should be installed at the same time.