The ICON Vehicle Dynamics 2.5″ Dual Rate Spring System for 2014-UP Ram 2500 / 2013-Up 3500 4WD levels out your truck and offers you both incredible ride quality and performance. This 2.5″ dual rate spring system offers an initial soft ride zone with an aggressive second rate to help prevent bottoming out and are optimized for use on trucks equipped with diesel engines. These ICON springs have a dual stage powder coat process to help prevent corrosion and are shot peened and pre-set to prevent sagging. Front extended length shocks are required for complete installation, and we offer 2.0 Aluminum Series smooth body and Remote Reservoir or our 2.5 Series Reservoir shock with or without CDC (Compression Damping Contol) Valve. All ICON shocks are engineered to be the correct length offering maximum droop and compression travel, then tuned to work hand in hand with these springs for the best available on and offroad performance.Additional Attributes:GTIN:00840103400631Finish:PowdercoatedSpring Material:SteelMaximum Lift Height:2.5Spring Color:BlackGrade Type:PerformanceFront Spring Seat Included:NoFront Spring Rate Type:VariableAAP_UDA_12:EAAAP_UDA_22:1AAP_UDA_4:55California Proposition 65:WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.OEM Wheels & Tires Fitment:YesRecommended Aftermarket Tires:35 x 12.50 (Larger Tires May Fit but Fender Trimming and Modifications will be Required)Recommended Aftermarket Wheels:ICON Alloys 178.5 w/ 5.25 BS / 13mm OffsetExtended Information:Emissions :Emissions Compliance ExemptLife Cycle Status:Available To OrderPackaging:Quantity of Each:1.0Package UOM:EADimension:21.0000 x 13.0000 x 7.0000 inchesWeight:52.0000 PGPDF:I214200_REVC