Free Truck Tools
Plan your upgrade before you buy: check whether new tires and wheels fit your truck.
Will it rub? Calculator
Check if a tire size and wheel offset fit your truck at stock height, leveled or lifted.
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Bolt Pattern Lookup
Bolt pattern, center bore and lug thread for popular trucks, and which trucks share wheels.
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Tire Size Calculator
Compare two tire sizes: diameter, width, sidewall, revolutions per mile and speedometer difference.
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Wheel Fitment Calculator
Check offset, backspacing and poke, and look up bolt patterns for popular pickups.
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