The Pierburg Turbocharger Cut-Off Valve Kit - 472138 is a comprehensive set of products designed specifically for cars with turbocharged engines. This kit includes various components necessary for the proper functioning of the turbocharger cut-off valve, which is responsible for regulating the flow of air into the engine and maintaining optimal boost pressure. The kit includes a variety of high-quality parts such as seals, gaskets, bolts, and other hardware, as well as specialized tools for installation. With this kit, car owners can easily replace and maintain their turbocharger cut-off valve, ensuring the smooth operation and performance of their vehicle.