This is where you buy Ford Superduty wheels
A 1999-01-01 Ford Superduty has a 124.9 center bore and a 8x170 bolt pattern. On this model, lug nuts are used to mount the wheel to the hub. Lug bolt thread: 14x2 is recommended. The ET meassurement for this model is 10 and the recommended wheel size is between 16 and 26 inches.