For 2-door hardtops, this front side window bumper is designed to fit perfectly at the vent frame's top, ensuring a snug and secure fit. Replacing OEM #5717672/3, this pair of bumpers is crafted with a durable steel core for added strength and longevity. Two are used per car, making them an essential component for maintaining the integrity of your 1963-1964 Chevrolet Impala. These bumpers are built to last, offering easy installation and a precise fit to keep your windows functioning smoothly. Backed by Metro's Platinum Warranty, you can trust this part to perform for 30 years, giving you peace of mind and confidence in your purchase.