If your High Boy has a Dana 44 axle, then yes, we would expect this tool to work. This tool fits the Dana 30 and Dana 44 Spindle nuts. If you have a Dana 60, the tool will not work.
Asked: May 14, 2023 - 11:20 AM PST • Answered: May 16, 2023 - 11:37 AM PST • SKU: 9213