Instruction Sheets for Part Number HYP-742501
Hypertech Speedometer Calibrators
Speedometer Calibration Device, Programmer, Electronic, for Tire Size/Rear Ratio Changes, Reads/Clears DTCs, Can Upgrade, Ford, Lincoln, Mercury, Each
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Estimated Ship Date: Mar 26, 2026 Would you rather pick it up?
Overview
Hypertech Speedometer Calibrators
Changing tire and gear sizes can have an adverse effect on your speedometer and odometer readings. To correct this, Hypertech has assembled some of the best features from their series of programmers and tuners into one stand-alone unit. Hypertech speedometer calibrators will adjust for a wide range of tire sizes and gear changes (not all applications can adjust for gear changes) to keep your speedometer reading properly without the additional cost of buying a complete tuner. Installation is as easy as plugging one of the calibrators into your vehicle's OBDII diagnostic port, and while you're there, they can even read and clear diagnostic trouble codes.
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Some parts are not legal for use in California or other states with similar laws / regulations
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