This economical, time-saving kit contains an assortment of the most popular Vacuum Caps sizes. Conveniently packaged in a reusable plastic case, all our Vacuum Caps are constructed from high-quality materials for long-lasting durability. With over 80,000 products backed by a team of product engineers and experts based in the United States, Dorman is the first choice of automotive professionals, backyard mechanics, and do-it-yourselfers all over North America.