The Alcoa Stabilizer and Extension Kit for 22.5 inch wheels with 2 inch hand holes is a practical solution for reducing road vibration and eliminating valve stem breakage caused by vibration. The kit includes 2 stabilizers and 2 extensions, allowing access to the inner dual tire valve and properly positioning and supporting the extension for servicing. This kit fits most makes and models and is designed to fit 22.5 inch Alcoa wheels with 2 inch centered hand holes. It's a must-have for anyone looking to improve the performance and longevity of their wheels.