Beyond the added ground clearance, the dual-rate design of ICON springs provides a softer initial rate for superb on-road comfort and a firmer secondary rate that delivers excellent bottoming resistance and superior off-road performance.Additional Attributes:GTIN:00840103402758Finish:PowdercoatedSpring Material:SteelSpring Color:BlackGrade Type:PerformanceRear Spring Seat Included:NoRear 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.Extended Information:Emissions :4Life Cycle Status:Available To OrderPackaging:Quantity of Each:1.0Package UOM:EADimension:21.0000 x 13.0000 x 7.0000 inchesWeight:42.0000 PGPDF:I52750_REVA