ICON Triple Rate rear coil springs for 22-23 Tundra provides a modest increase in ground clearance while greatly enhancing on- and off-road performance, especially when used with ICON shocks and suspension components. The triple-rate coil design provides a softer droop and ride rates with a firmer overload rate that combine to deliver on-road comfort with excellent bottoming resistance and superior off-road performance. Specifically designed to net .5″ of rear lift on a non-TRD Tundra or 0″ of rear lift on a Tundra equipped with a TRD suspension Package desiring improved performance, but OE ride height. Like all ICON coil springs, they feature a lifetime guarantee against sagging/breakage to produce confidence in knowing that you have the best suspension products available for the vehicle.Additional Attributes:GTIN:00840103421742Finish:PowdercoatedSpring Material:SteelMaximum Lift Height:0.5Spring Color:BlackGrade Type:PerformanceRear Spring Seat Included:NoBump Stops Included:NoRear Spring Rate Type:Progressive Triple RateAAP_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 :Emissions Compliance ExemptLife Cycle Status:Available To OrderPackaging:Quantity of Each:1.0Package UOM:EADimension:22.0000 x 14.0000 x 8.0000 inchesWeight:40.0000 PGPDF:I51210_REVB