ACDelco Gold (Professional) Premium Gas Charged Struts are a high quality alternative to Original Equipment (OE) parts. These struts are custom-tuned and nitrogen gas charged with a quality twin-tube passive design to optimize vehicle comfort and performance. Featuring Road Response Valving Technology, ACDelco Gold Premium Gas Charged Struts automatically adjust to provide comfort and extra control by responding to dynamic driving situations during normal road conditions, and improving handling under extreme road conditions. For additional performance and safety features, ACDelco Gold Premium Gas Charged Struts have sintered iron pistons, a leak-proof piston seal, and a super-finished chromed piston rod. These struts have been carefully tested to ensure proper performance and fit per necessary applications. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. \\u0026#9888 WARNING: Cancer and Reproductive Harm – https://www.P65Warnings.ca.gov