Get the Air Spring Spacers you need when adding air bags to your lifted 2007.5-2010 Chevy/GMC 6.6L LMM Duramax. Constructed from heavy-duty steel or durable polyurethane, these spacers are sold in pairs. You'll find spacers ranging from 2" to 6" in height to match the lift of your vehicle. Find the most popular manufacturers such as Firestone, Airlift, Pacbrake, Daystar, and Hellwig.