Hypertech (730129): In-Line Speedometer Calibrator Module for 2021 GM Trucks
Compatible with many 2021 year trucks, eight new speedometer calibration products have just rolled out from Hypertech. The 730129 in-line module, designed for 2021 GM 1500/2500/3500 and Colorado/Canyon, corrects speedometer readings with larger tires installed (up to 54”). This fully plug-and-play product easily connects above the driver’s kick panel in less than 5 minutes, and […]
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