Not sure which 2009 Dodge Ram Speedometer Calibrators are right for you? We have over 11133 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Daniel M from St Louis Park, MN said, "Easy to use. Accurate. It's nice having my speedo and odometer read correctly with a bigger tire. I'm going to regear here soon so it will get some more use when I do that. Worth the price."