For sale is a 1957 - 1958 Cadillac Brake Pedal push rod Bellows Firewall Seal. If you have a draft under your dash, excess noise, or can smell engine fumes, this seal may be broken or missing. This goes on the firewall and seals the hole where the brake pedal pushrod passes through. It is often missing, cracked, or broken. Replace yours to  make your Classic Caddy more enjoyable to drive, or to help separate your car from others at judging . Don't overlook this item when you are repairing your car. This item ships free in the continental US. I will ship this anywhere in the world. International buyers, contact me for the best shipping price. Make sure to check out my other listings for Classic Caddy parts. I have parts from 41 -76 and tons of 59 - 60 parts. If its not listed, ask. I have thousands of parts. Thanks, Brian.