For the 1966-1970 Buick Riviera, this pair of quarter window door lock pillar seals is designed to fit perfectly, ensuring a snug and secure installation. Crafted by Metro Moulded Parts, these seals are concours-quality, meaning they are made to match the original factory specifications for a flawless appearance and performance. These seals are easy to install, fitting seamlessly into the quarter window area to prevent water, dust, and air from entering the cabin. Their durable construction ensures long-lasting protection against the elements, keeping your classic Buick looking and performing its best. Backed by Metro's Platinum Warranty, this part is covered for a full 30 years, giving you peace of mind with your purchase.