GM Stock Replacement Includes Correct S Rivet Fits All 1969 Camaros Vented Stock replacement parts, like this vented gas cap, add authenticity to your 1969 Camaro project. This GM manufactured fuel cap is vented and includes the correct rivet and original markings. Having the correct gas cap for your first gen is essential. Without proper venting, harmful fuel vapor can build up and cause blow back when the cap is opened or, in some instances, fuel tank damage. Why chance using just any gas cap for your 1969 Camaro?