For convertible models, this front side window bumper is designed specifically for the vent frame at the top, ensuring a snug and secure fit. Replacing OEM #5715634/5, this pair of bumpers is crafted with a durable steel core for added strength and longevity. Two are used per car, making it a perfect fit for 1963-1964 Chevrolet Impala cars. These bumpers are built to last, offering easy installation and a reliable solution to keep your window components properly aligned and protected. Backed by Metro’s Platinum Warranty, you’ll enjoy 30 years of peace of mind knowing your purchase is covered.