For 2-door hardtop models, these molded roof-rail seals are designed specifically for '73-'76 GM A-body Colonade, Formal, and Sport Coupes (Body Style 57 only), including models like the Buick Century Luxus Colonade Coupe, Chevrolet Monte Carlo, and Pontiac Grand Prix. Replacing OEM# 9629700/01, this pair of left and right seals ensures a precise fit and better sealing than competitor brands, guaranteeing no leaks. Crafted without accelerants or cheap fillers, these seals resist premature aging and maintain durability over time. Positioned along the roof rails, they create a tight seal to keep water and weather out, preserving the interior and enhancing the car's overall appearance. Backed by SuperSoft's 30-year warranty, you can trust in their long-lasting performance.