Air Spring Spacer Kit 1.5 Inch Rough CountryFunctionality and Use. When equipping your vehicle with airbags depending on your lift height an airbag spacer is a must have to ensure that you achieve the functionality out of your new system. Here at Rough Country we are stepping up the game and providing the must have components to complete your project. Strength and integrity. Rough Country's Air Spring Spacer kits feature a heavy duty 7 gauge steel construction with 1 4 welds to ensure that when