Air Lift LoadLifter 5000 air bags. Had them on our 2005 3500HD and them to our 2011 3500HD. Improves the ride and minimizes the sag on the rear. Do not have an on-board compressor. Put the fill connections on the rear bumper area. Put 40# of air in the bags before I hitch up.
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RV - 2017 Avalanche 320RS
TV - 2011 Chevy Silverado 3500HD LTZ CCLB Duramax SRW 4X4
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