I installed a set of Torklift Stableloads on our 3500 and it made a big difference in ride quality. They activate the overload springs quicker. Took out a good bit of the bounce we were getting with our truck and FW.
2008 GMC Sierra 3500 SLT DRW D/A 4x4 (Big All)
2006 Ford F350 PSD SRW King Ranch 4x4 (Henry) (Sold)
B&W Companion, 90 Aux Fuel Tank, Scan Gauge II, Curt f/m hitch, Swagman XC
2015 Forest River Sierra 360 PDEK
DW Diane, DS Michael, FB Draco and Sabian