For convertible models of the 1971-1975 GM B-body and 1971-1976 GM E-body, this header seal measures 48-1/2 inches long and replaces OEM part #9833656. Crafted with precision using all-new 2015 retooled molds, it ensures an improved fit and reliable function. Made from soft yet durable EPDM sponge rubber with galvanized steel cores, this seal is designed to provide a snug, weatherproof barrier, protecting your vehicle's interior from water penetration and preventing costly repairs. Its high-quality construction guarantees durability and a clean, professional look once installed. Fitment includes classic models like the Buick Centurion, Cadillac Eldorado, Chevrolet Caprice, and more from 1971 to 1976. Backed by a 30-year warranty from SuperSoft, this part offers long-term peace of mind.