This is one of the most often overlooked seals on your car, it installs on the lower leading edge of the quarter window and helps keep the wind and dust out of your car. This seal fits 1966-1967 GM 'A' body convertibles and 2-door hardtops, sold as a pair. For use on 1966-1967 Chevrolet Malibu and Chevelle as well as the 1966-1967 Buick Skylark.