Specifics and features: Item Type: Steering Knuckle Lift Height: 3.5" Front Placement on Vehicle: Left, Right, Front Fitment Type: Direct Replacement Note: With Minimum 16-Inch Wheels, with Maximum 4.525 Inch Backspace, 2WD, Only Compatible with: For Ford F150 2WD Trucks 1997-2003 For Ford F150 Heritage 2004 Package Includes: 2× 3.5" Lift Spindles Steering Knuckle W/o Product Instruction Notes: We strongly recommend professional installation. If you are unsure whether the product is suitable for your vehicle, please contact us promptly before purchasing to confirm. .