Superior Ride Quality. Take your fifth-generation Ford Super Duty to new heights with Rough Country's 6-inch Radius Arm Drop Suspension Lift! This all-inclusive kit comes with everything you need for a total transformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade.\Durable Components. When changing a vehicle's suspension, the key to preserving ride quality is keeping the geometry of all suspension components as close to their factory angles as possible. Rough Country's new 6-inch Suspension Lift features a set of tubular radius arms, precision fit to bolt right into the factory mounts for an easier installation and a more factory-like angle. Fearing a massive 2" O.D. these beefy, upgraded radius arms dwarf stock equipment and feature durable rubber bushings for maximum vibration absorption.\Installation. Requiring cutting and drilling to install, an estimated timeframe of 6-10 hours is recommended to complete this full installation. This full kit can be installed at home and can be completed efficiently and quickly!\Limited Lifetime Replacement Warranty. Rough Country's 6-inch Suspension Lift Kit is backed with a limited lifetime replacement warranty towards manufacturer defects. As such, the product is protected from structural and workmanship damage after the date of purchase. With our industry-leading warranty give yourself peace of mind when using Rough Country's Suspension products!