Tired of false miles weighing down your odometer? Don't like the idea of a ticket when you're unsure of your true speed? Hummer H1 speedometer calibrators put your mind to rest. An H1 speedometer calibrator resets your computer to return precision after rear end or tire modifications.
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If you've been putting off purchasing your Hummer H1 calibrator due to fears of complex installation, breathe easy. These H1 calibrators are a snap to install, and as soon as you plug in Hummer H1 speedometer calibrators they're communicating with your computer to clear diagnostic codes! Even better, they ship free.