For 1949-1952 Chevrolet cars, including Fleetline, Styleline Deluxe, Styleline Special, and Bel Air models, these rear bumper arm insulator grommets measure 1-9/16" wide by 2-3/4" long, with a 1-11/16" long inner slot. Designed to fit perfectly, they provide a snug and secure installation for your rear bumper arms, ensuring stability and reducing vibrations. Made in the USA, these grommets are crafted from high-quality materials that offer longer-lasting elasticity and durability compared to artificial rubber alternatives. Their sleek black finish complements the classic look of your vintage Chevrolet while providing reliable performance. Backed by Metro’s 30-year Platinum Warranty, you can trust these grommets to stand the test of time.