Dorman 557-001 Expansion Plug Kit

The plugs in this engine expansion plug kit are designed to match the original parts on specified vehicles. Made of quality materials, this kit components are engineered for reliable performance and 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.