Fitment: Fits Toyota Tundra 1999-2006 4WD Only The Differential Drop Kit Only For Tundra 4WD Models Product Features: Placement on Vehicle: Front+Rear Front Lift Height: 3 inch Rear Lift Height: 3 inch Front Spacer Thickness: 1.5 inch Rear Block Thickness: 3 inch U-Bolt Spec: 9/16"-18 Square/ Long 11.2 inch Material: Aluminum+Steel Color: Black Item Description: .