Get the Air Spring Spacers you need when adding air bags to your lifted 2011-2016 Ford 6.7L Powerstroke. These products are built with sturdy polyurethane or robust steel and sold as a set. These spacers are available in differing sizes ranging from 2" to 6" in height. Pacbrake, Daystar, Hellwig, Firestone, and Airlift are just some of the brands you'll find.