Fitment: Replacement for F150 2009-2020Replacement for Expedition 2009-2015Replacement for Navigator 2009-2015 Package Including: 1 x 4inch Front Right Lift Spindle Knuckle Set Kit1 x 4inch Front Left Lift Spindle Knuckle Set Kitas Shown in the Picture Easy Bolt-On Installation: No welding or major modifications required; fits directly onto your factory setup, saving time and effort Improved Ride and Stability: Maintains proper wheel alignment for a smoother, more controlled driving experience, even with added lift height