Vehicle Fitment: (Please check your vehicle compatibility before buying) Fits Ford F-150 2004-2020 2WD / 4WD NOT Recommended For FX4 Based Models - 3" Or 3.5" Front Lift May Cause Contact Between The UCA and Coil Spring Will NOT Fit 2004 Heritage Models Will NOT Fit Ford Raptor 2021+ New Models may has Round U bolts, will NOT fit our Square U bolts. Item Description: Quantity: 2x Strut Spacers + 2x Rear Blocks + 4x U-Bolts+1 pair Gloves Install Location: Front + Rear Lift Height: 3" (3 inch) Front + 3" (3 inch) Rear Material of front: Billet aluminum Material of rear: Carbon Steel Color: Black Product Features: The real thickness of front spacer is appr. 1.97 inch (50mm). Lift spacer thickness and lift height is not a 1 to 1 ratio due to the suspension geometry.