Purchased for 2015 Dodge Ram 5.7 Hemi
Reviewed By Brian M (MCHENRY, IL) Reviewed for a 2015 Dodge Ram —1/22/2016 5:46 AM
The Hypertech Speedometer Calibrator worked perfectly on my 2015 Ram. I have 37" tires, and was able to adjust for the increased size. Speedo is now accurate.