For convertible models, this header seal measures 53-3/4" long and is crafted with molded ends and a durable steel core for a precise fit and lasting performance. Designed with high-quality molded sponge material, it ensures a snug seal that effectively protects your vehicle's interior from water penetration, saving you from costly and time-consuming repairs. This part is specifically made for 1968-1972 Buick GS, Skylark, Chevrolet Chevelle, Oldsmobile 442, Cutlass, Cutlass Supreme, Pontiac GTO, LeMans, and Tempest models, offering a perfect fit for these classic cars. The seal is easy to install, fitting securely along the header area to keep your convertible looking and performing its best. Backed by a 30-year warranty from SuperSoft, you can trust in its quality and durability for decades to come.