GMC Yukon-XL Speedometer Calibrators
GMC Yukon XL speedometer calibrators are the solution to that nagging uncertainty you feel about your true speed, after modifying the wheels or rear end. Shape up and lose the imprecision: a Yukon XL speedometer calibrator takes away the guesswork, as well as the constant risk of a high-dollar speeding ticket.
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$229.99
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(27)
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A GMC Yukon XL calibrator could not be easier to install: it's plug-and-play. What's more, Yukon XL calibrators connect to your computer to update with the latest software and codes. Many owners of GMC Yukon XL speedometer calibrators have even noticed better gas mileage. And, they ship free!