The 8x170 lug pattern: is a wheel bolt pattern that is used exclusively by Ford for its heavy-duty trucks. It indicates the wheel is secured by 8 lug nuts and the bolts form a circle with a diameter of 170 millimeters (approximately 6.69 inches).

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Compatible Vehicles: 8x170

This specific bolt pattern is found on the following Ford vehicles:

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Ford F-250 Super Duty: 1999 to current model year (2025).

Ford F-350 Super Duty (Single Rear Wheel models): 1999 to current model year (2025).

Ford Excursion: 1999 to 2005 model years.