For 2-door and 4-door hardtop and convertible models of 1963-1964 GM 'B' and 'C' body vehicles, this vent window and rear division channel seal set is a perfect fit, replacing OEM #5715584 and #5715585. Designed for both left and right sides, this four-piece set ensures a snug, weatherproof seal for your windows, keeping out moisture and wind noise. Crafted with formable steel core inserts, galvanized to resist rust, and made from top-quality EPDM dense rubber, these seals are built to last. Advanced CAD and CNC milling technology ensures precise 3D contouring for a flawless fit and an OEM-quality appearance. Proudly made in the USA, this set is guaranteed to enhance the look and functionality of your classic car. Fitment includes 1963-1964 Buick LeSabre, Wildcat, Cadillac DeVille, Series 62, Chevrolet Impala, Oldsmobile Starfire, Dynamic 88, Jetstar 88, Jetstar I, Super 88, and various Pontiac models like Bonneville, Catalina, Grand Prix, Star Chief, and Starfire. Backed by Metro's 30-year warranty, this product offers unmatched durability and peace of mind.