This is the Towkit you need. It features an air gauge with a paddle switch. Compressor, Switch down releases air.
Switch goes back to center when you have your desired lift. 1.5" SPACERS LIFT 3".
The item "B Rear Suspension Air Bag TOW 1994 2001 Dodge Ram 1500 1/2T withDC100/Gauge" is in sale since Wednesday, July 4, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Towing & Hauling". The seller is "chassis_tech" and is located in Mesa, Arizona. This item can be shipped worldwide.