The KYB Shocks & Struts Gas-A-Just KG9004 is a high-performance shock and strut set designed for improved handling and stability on the road. These shocks and struts are filled with a high-pressure gas, which helps to minimize foaming and ensure consistent performance. The Gas-A-Just KG9004 is specifically engineered to provide a firmer ride and better control compared to traditional hydraulic shocks and struts. This product is ideal for drivers who prioritize sporty handling and improved cornering ability. It is compatible with a wide range of vehicles and is a popular choice among enthusiasts looking to upgrade their suspension system.