This is the seal that goes between the header bow and the top of the windshield, you won't have to worry about the rain and wind inside the car any more if you replace your header seal. We also sell the complete roof rail seals but if your side pieces are in good condition then this is just what you need. Fits 1964-65 GM 'a' body convertible cars. For use on Malibu, Skylark and Chevelle as well as others.