The INA Hydraulic Valve Lifter Set - 479172 is a comprehensive kit designed for servicing a car's hydraulic valve lifters. The kit includes a variety of products, such as hydraulic valve lifters, gaskets, and seals, that are necessary for maintaining and repairing the hydraulic valve system in a car. This kit is suitable for use on a variety of car makes and models and is an essential tool for ensuring smooth and efficient operation of a car's engine. With this kit, car owners can easily replace worn or damaged hydraulic valve lifters and ensure optimal performance of their vehicle.