Has new mechanical governor and throttle pressure limit systems for an increased range of tuning options. You will really like how it installs and works. These upgrades produce the best working Torqueflite possible.Save a bundle here over the cost from a dealership. The item "TRANSGO SHIFT KIT Dodge Ram Cummins A500 A518 A618 A42 A44 46RE 47RE SK TFOD-HD2" is in sale since Friday, January 04, 2013. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Transmission & Drivetrain\Automatic Transmission & Parts\Automatic Transmission Parts".industries" and is located in Bay Shore, New York. This item can be shipped worldwide.