Not sure which 2012 Chevy Silverado Speedometer Calibrators are right for you? We have over 73 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"This was pretty easy to install once I got the update put on the programmer. I had some issues with shifting prior to installing and had to return to stock mode. It was quick and easy. Got my truck back and reinstalled." —Chris C from Oakdale, CA bought a Hypertech Speedometer Calibrator for a 2012 Chevy Silverado, 6.6L Duramax.