For convertible models, this 6-piece set of molded roof rail seals is designed to fit perfectly and provide exceptional weatherproofing. Featuring durable steel cores for added strength, these seals ensure a snug fit and long-lasting performance. For 1969-1970 Chevrolet models, simply remove the rear flaps for proper installation. These seals are crafted without accelerants or cheap fillers, which means they resist aging and cracking over time. Designed to prevent leaks better than competitor brands, they keep your interior dry and protected. Fitment includes 1966-1970 Buick LeSabre, Wildcat, Chevrolet Impala, Oldsmobile Delta 88, Dynamic 88, Delmont 88, and Pontiac Bonneville, Catalina, and Grand Prix models. For a molded sponge header seal, order part #HD 731 separately. Backed by a 30-year warranty from SuperSoft, you can trust this product for decades of reliable use.