2011Chevy Posted May 25, 2016 Share Posted May 25, 2016 Hypertech speedometer calibrator for GM trucks 2006 to current. This will recalibrate the computer settings for those who have larger than stock tires, it will also recalibrate the truck for any change in rear end gear ratio. Buyer is responsible for verifying compatibility with their vehicle. Price is $200 or best reasonable offer. Link to comment Share on other sites More sharing options...
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