Product Features: Rust and corrosion resistance: Leveling kit is made of the same material as the aircraft, CNC machined out of billet aluminum, T6 treated and 12.15 Grade premium bolts, powdercoated black. It can cope with Harsh Environments. Lift spacer thickness and lift is not a 1 to 1 ratio due to the suspension geometry. Compatible Information: For Ford F150 2WD & 4WD 2004-2023 Does not fit for Ford Raptor 2010-2014 Package Includes: 2 × 3'' Front Leveling Lift W/o Product Instruction .