Rough Country - 514 - 2-inch Suspension Leveling Kit FEATURES: Easy bolt-on installation; Maintains factory ride quality; Increased ground clearance; Levels the front with the rear of the vehicle; Spacers are designed with a slight lip allowing the spacer to lock into the factory seat for a perfect fit NOTES: Does not fully level 2017 models KIT CONTENTS: Coil spacers and hardware SPECS: Installation Time: 2-3 hours; Backspacing: Factory; Recommended Tire Size: 33-by-12.50; Weight: 5-lbs FITMENT: Ford: 05-17 F250 Super Duty 4WD, 05-17 F350 Super Duty 4WD Easy bolt-on installation Spacers are designed with a slight lip allowing the spacer to lock into the factory seat for a perfect fit Easy bolt-on installation Maintains factory ride quality Increased ground clearance Levels the front with the rear of the vehicle Spacers are designed with a slight lip allowing the spacer to lock into the factory seat for a perfect fit.