Manufactured by Zone Offroad | D50N | 2013-18 Ram 3500 Diesel 4.5 inch radius arm drop Suspension Lift kit, Nitro shocks, Not for use with factory rear airbag suspension. Although very rare, front driveline vibration may occur at speeds over 35 mph when in 4WD. If this occurs, install the appropriate optional t-case indexing kit. Optional t-case indexing ring kit recomm, Zone Offroad is a budget friendly lift kit option under the same name as the BDS and Fox suspension family. Offering leveling kits, lift kits, and Fox Shock upgrades, Zone enters the market at an affordable price and gives you the upgrade options to get any desired options and quality that you're looking for. Product information updated on 2026-08-17. This product can ship by Truck Freight