Daystars KF09150BK Comfort Ride Suspension systems are truly Driven by Design. KF09150BK Comfort Ride kits are specially designed to work with stock suspension components to keep costs down and quality high. High-density Progressive Polyurethane strut and spring spacers act as isolators to combine moderate amounts of lift without losing the comfortable ride you have come to expect.Features of the KF09150BK Comfort Ride Suspension:05-18 Ford Super Duty 1 Inch LevelComfort Ride Suspension Coil Spring Spacer KitHigh Density Progressive PolyurethaneLifts Vehicles Without Sacrificing Ride Quality or Load-Carrying CapacityEasiest Way to Add 20 inch-22 inch Wheels and Increase Ground ClearanceNo Metal-on-Metal Contact as with Other Leveling KitsLimited Lifetime WarrantyIncludes Front Lift Only to Level the Stance of the VehicleBenefits:Simple installationAvailable in black onlyMade of durable polyurethaneFactory ride maintained