2005-2013 SUPER DUTY 4WD - F250 / F350 These CNC-machined billet aluminum spacers are built to lift your vehicle precisely 2" in the front to level out your Super Duty with the rear. These spacers mount under the lower coil spring bucket on your vehicle, along with new hardware, for an easy installation. SPECIFICATIONS Billet Aluminum Construction 100% Bolt On Installation Increased Ground Clearance Maintains Factory Ride Quality DIMENSIONS: 11x6x3