The ICON Vehicle Dynamics 1” Cast Block Kit is a simple solution to tune the rear ride height of your vehicle. These heavy-duty lift blocks provide 1” of rear lift on vehicles that do not come with factory rear blocks, such as the 2016-2024 Nissan Titan XD. They are also conveniently paired with the 2008-2025 Ford F-250/F-350 2” Lift leaf Spring Expansion Packs to maintain near stock ride height with a significant ride quality improvement and reduction in axle wrap compared to the OE leaf spring/block combination. These cast iron lift blocks include center pins for an easy install and are painted semi-gloss black for corrosion resistance. Features & Benefits Cast iron for superior strength Provide 1" of rear lift Painted for corrosion resistance Limited Lifetime Warranty Additional Attributes AAP_UDA_12: EA AAP_UDA_22: 1 AAP_UDA_4: 55 Bracket Color: Black California Prop 65 Warning: Yes California Proposition 65: WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. Grade Type: Performance Maximum Lift Height: 1 Plate Color: Black Plate Material: Cast Iron Title: ICON 2008-2025 Ford F-250/F-350 Super Duty/2016-2024 Nissan Titan XD, 1" Cast Block Kit U-Bolts Included: NO Universal Or Specific Fit: Specific