Header Seal For Buick Century 1957-1958, Special 1957-1958; HD 700This header seal, designed for 1957 1958 Buick Century, Buick Special, Oldsmobile 88, Oldsmobile Starfire, Oldsmobile Super 88, Oldsmobile 98, and Oldsmobile Dynamic 88 cars, measures 45 1 2" long and is crafted with the finest quality materials for durability and performance. It fits snugly along the top of the windshield frame, creating a tight seal to protect your car's interior from water penetration, which helps prevent costly and time consuming