The Sachs Strut and Shock Assembly Kit - 140821 is a comprehensive set of products designed to replace and improve the suspension system of a car. It includes a combination of struts and shock absorbers, which work together to provide a smooth and stable ride for the vehicle. The kit is specifically designed to fit a wide range of car models and comes with all necessary components for installation. The contents of the kit may include various types of struts and shock absorbers, as well as other hardware such as mounting brackets, bushings, and bolts. This kit is a cost-effective solution for those looking to upgrade or repair their car's suspension system and improve overall driving performance.