The Alcoa Stabilizer And Extension Kit is designed for 22.5 inch Alcoa wheels with 2.5 inch hand holes. This kit includes 2 stabilizers and 2 extensions, providing a practical solution for accessing the inner dual tire valve. By properly positioning and supporting the extension, it reduces road vibration and helps eliminate valve stem breakage caused by vibration. This kit fits most makes and models, making it a versatile and beneficial addition to your vehicle. Improve the performance and longevity of your tires with the Alcoa Stabilizer And Extension Kit.